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Finding the Fourth Proportional to 91,694.90, 137,542.86 and 41,740.04

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Solution

The fourth proportional to 91,694.90, 137,542.86 and 41,740.04 is: 62,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,694.90 : 137,542.86 = 41,740.04 : x
  2. Step 2: Convert to fraction form
    91,694.90/137,542.86 = 41,740.04/x
  3. Step 3: Cross multiply
    91,694.90x = 137,542.86 × 41,740.04
  4. Step 4: Simplify right side
    91,694.90x = 5,741,044,821.97
  5. Step 5: Solve for x
    x = 5,741,044,821.97/91,694.90
  6. Step 6: Final answer
    x = 62,610.29

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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.