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Finding the Fourth Proportional to 160,092.92, 220,929.87 and 87,497.88

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Solution

The fourth proportional to 160,092.92, 220,929.87 and 87,497.88 is: 120,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,092.92 : 220,929.87 = 87,497.88 : x
  2. Step 2: Convert to fraction form
    160,092.92/220,929.87 = 87,497.88/x
  3. Step 3: Cross multiply
    160,092.92x = 220,929.87 × 87,497.88
  4. Step 4: Simplify right side
    160,092.92x = 19,330,895,253.68
  5. Step 5: Solve for x
    x = 19,330,895,253.68/160,092.92
  6. Step 6: Final answer
    x = 120,747.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.