Apple’s iPad accounted for 75 percent of the global tablet market in the fourth quarter of 2010, down from 96 percent in the prior quarter, according to a new report. Citing market researcher Strategy Analytics, Bloomberg reports that while iPad shipments jumped 74 percent compared to the previous quarter, to 7.3 million, shipments of Android-based tablets—driven by sales of Samsung’s Galaxy Tab devices—went from 100,000 in…