Hill finished with 12 points while David West added a game-high 26 with 12 rebounds for the Pacers, who grabbed a commanding 3-1 lead in their best-of-seven Eastern Conference quarterfinal series with Orlando.
The Pacers had to go to extra time to log the victory after blowing a 19-point fourth-quarter lead.
Jason Richardson netted 25 points and Glen Davis added 24 with 11 rebounds for the Magic.
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