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Finding the Fourth Proportional to 159,920.73, 239,882.31 and 60,103.62

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Solution

The fourth proportional to 159,920.73, 239,882.31 and 60,103.62 is: 90,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,920.73 : 239,882.31 = 60,103.62 : x
  2. Step 2: Convert to fraction form
    159,920.73/239,882.31 = 60,103.62/x
  3. Step 3: Cross multiply
    159,920.73x = 239,882.31 × 60,103.62
  4. Step 4: Simplify right side
    159,920.73x = 14,417,795,204.96
  5. Step 5: Solve for x
    x = 14,417,795,204.96/159,920.73
  6. Step 6: Final answer
    x = 90,155.89

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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.