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Finding the Fourth Proportional to 71,755.48, 98,966.46 and 46,613.08

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Solution

The fourth proportional to 71,755.48, 98,966.46 and 46,613.08 is: 64,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,755.48 : 98,966.46 = 46,613.08 : x
  2. Step 2: Convert to fraction form
    71,755.48/98,966.46 = 46,613.08/x
  3. Step 3: Cross multiply
    71,755.48x = 98,966.46 × 46,613.08
  4. Step 4: Simplify right side
    71,755.48x = 4,613,131,517.30
  5. Step 5: Solve for x
    x = 4,613,131,517.30/71,755.48
  6. Step 6: Final answer
    x = 64,289.61

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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.