The Cleveland Cavaliers and Oklahoma City Thunder clinched National Basketball Association (NBA) play-off berths on Friday night.
LeBron James had 18 points, eight assists and seven rebounds.
Oladipo scored 24 before halftime and 15 in the third quarter, when the Magic opened with an 18-7 run to regain the lead and cling to an 86-83 edge going into the fourth.
Cleveland (49-19) swept the season series 4-0 and have won 14 straight games against the Magic (29-39) - their longest current streak over an opponent. Kyrie Irving leads the way with 16 points.
Oladipo scored a career-high 45 points, but only six in the fourth period. The Cavs are led by Channing Frye, who has six points off the bench.
"I just wanted to come out and set a tone because, honestly, that team has been punking us the last couple of games, and we wanted to set a tone that we weren't here to get punked, " said Oladipo, referring to Cleveland's 26.4-point average margin of victory in the three meetings prior to Friday.
Cleveland started slowly and made three quick turnovers, forcing coach Tyronn Lue to call a time out 1:11 into the game.
Jerami Grant scored 15 points, Nerlens Noel added 12 and Isaiah Canaan had 10 for Philadelphia, which dropped their fourth consecutive game and fell to 9-60.
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But in the end, Oladipo simply didn't get enough help - offensively or defensively - for Orlando to finish the job.
"I come out and compete every night at a high level and try to keep my energy up for my teammates", Westbrook said. "They're playing really well right now and we have an opportunity to go in, and it's going to be a tough test for us".
Shot 50 percent, including 13-of-28 on 3-point attempts.
Even after the Magic got to within 107-103 late, they forced James into an off-balanced 3-pointer that was badly off line.
This is the point of the season in which the Magic had hoped to play the part of playoff pursuers.
Down nine at the half after blowing an early lead, Orlando showed some tremendous resiliency in the third quarter and zipped back into the lead. Orlando's Victor Oladipo leads all scorers with 24 points on 8-of-11 from the field. No one else on his team had more than six points in the first two quarters. Oladipo is the ninth player in franchise history score 40, first since Aaron Affalo in December 2013....
Guard Elfred Payton sat out his fifth consecutive game with a right elbow sprain. Orlando plays in Toronto (Sunday afternoon), Boston (Monday), Detroit (Wednesday) and Miami (Friday) in the coming six days.