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Finding the Fourth Proportional to 274,454.80, 411,487.80 and 124,766.80

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Solution

The fourth proportional to 274,454.80, 411,487.80 and 124,766.80 is: 187,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,454.80 : 411,487.80 = 124,766.80 : x
  2. Step 2: Convert to fraction form
    274,454.80/411,487.80 = 124,766.80/x
  3. Step 3: Cross multiply
    274,454.80x = 411,487.80 × 124,766.80
  4. Step 4: Simplify right side
    274,454.80x = 51,340,016,045.04
  5. Step 5: Solve for x
    x = 51,340,016,045.04/274,454.80
  6. Step 6: Final answer
    x = 187,061.83

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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.