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Finding the Fourth Proportional to 372,564.52, 558,841.32 and 92,081.76

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Solution

The fourth proportional to 372,564.52, 558,841.32 and 92,081.76 is: 138,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,564.52 : 558,841.32 = 92,081.76 : x
  2. Step 2: Convert to fraction form
    372,564.52/558,841.32 = 92,081.76/x
  3. Step 3: Cross multiply
    372,564.52x = 558,841.32 × 92,081.76
  4. Step 4: Simplify right side
    372,564.52x = 51,459,092,306.32
  5. Step 5: Solve for x
    x = 51,459,092,306.32/372,564.52
  6. Step 6: Final answer
    x = 138,121.29

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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.