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Finding the Fourth Proportional to 84,385.90, 126,468.13 and 62,094.90

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Solution

The fourth proportional to 84,385.90, 126,468.13 and 62,094.90 is: 93,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,385.90 : 126,468.13 = 62,094.90 : x
  2. Step 2: Convert to fraction form
    84,385.90/126,468.13 = 62,094.90/x
  3. Step 3: Cross multiply
    84,385.90x = 126,468.13 × 62,094.90
  4. Step 4: Simplify right side
    84,385.90x = 7,853,025,575.06
  5. Step 5: Solve for x
    x = 7,853,025,575.06/84,385.90
  6. Step 6: Final answer
    x = 93,060.88

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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.