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Finding the Fourth Proportional to 127,321.80, 191,024.10 and 60,753.30

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Solution

The fourth proportional to 127,321.80, 191,024.10 and 60,753.30 is: 91,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,321.80 : 191,024.10 = 60,753.30 : x
  2. Step 2: Convert to fraction form
    127,321.80/191,024.10 = 60,753.30/x
  3. Step 3: Cross multiply
    127,321.80x = 191,024.10 × 60,753.30
  4. Step 4: Simplify right side
    127,321.80x = 11,605,344,454.53
  5. Step 5: Solve for x
    x = 11,605,344,454.53/127,321.80
  6. Step 6: Final answer
    x = 91,149.70

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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.