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Finding the Fourth Proportional to 159,912.92, 239,827.56 and 47,562.88

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Solution

The fourth proportional to 159,912.92, 239,827.56 and 47,562.88 is: 71,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,912.92 : 239,827.56 = 47,562.88 : x
  2. Step 2: Convert to fraction form
    159,912.92/239,827.56 = 47,562.88/x
  3. Step 3: Cross multiply
    159,912.92x = 239,827.56 × 47,562.88
  4. Step 4: Simplify right side
    159,912.92x = 11,406,889,456.97
  5. Step 5: Solve for x
    x = 11,406,889,456.97/159,912.92
  6. Step 6: Final answer
    x = 71,331.88

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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.