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Finding the Fourth Proportional to 159,894.38, 239,819.69 and 47,591.93

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Solution

The fourth proportional to 159,894.38, 239,819.69 and 47,591.93 is: 71,381.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,894.38 : 239,819.69 = 47,591.93 : x
  2. Step 2: Convert to fraction form
    159,894.38/239,819.69 = 47,591.93/x
  3. Step 3: Cross multiply
    159,894.38x = 239,819.69 × 47,591.93
  4. Step 4: Simplify right side
    159,894.38x = 11,413,481,899.10
  5. Step 5: Solve for x
    x = 11,413,481,899.10/159,894.38
  6. Step 6: Final answer
    x = 71,381.38

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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.