Finding the Fourth Proportional to 168,487.68, 252,673.20 and 93,721.44
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Solution
The fourth proportional to 168,487.68, 252,673.20 and 93,721.44 is: 140,549.72
Step by Step Solution
- Step 1: Write the proportion equation
168,487.68 : 252,673.20 = 93,721.44 : x - Step 2: Convert to fraction form
168,487.68/252,673.20 = 93,721.44/x - Step 3: Cross multiply
168,487.68x = 252,673.20 × 93,721.44 - Step 4: Simplify right side
168,487.68x = 23,680,896,153.41 - Step 5: Solve for x
x = 23,680,896,153.41/168,487.68 - Step 6: Final answer
x = 140,549.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.