Finding the Fourth Proportional to 132,382.71, 182,689.36 and 71,953.49
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Solution
The fourth proportional to 132,382.71, 182,689.36 and 71,953.49 is: 99,296.48
Step by Step Solution
- Step 1: Write the proportion equation
132,382.71 : 182,689.36 = 71,953.49 : x - Step 2: Convert to fraction form
132,382.71/182,689.36 = 71,953.49/x - Step 3: Cross multiply
132,382.71x = 182,689.36 × 71,953.49 - Step 4: Simplify right side
132,382.71x = 13,145,137,037.87 - Step 5: Solve for x
x = 13,145,137,037.87/132,382.71 - Step 6: Final answer
x = 99,296.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.