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Finding the Fourth Proportional to 159,924.62, 239,757.33 and 66,500.30

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Solution

The fourth proportional to 159,924.62, 239,757.33 and 66,500.30 is: 99,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,924.62 : 239,757.33 = 66,500.30 : x
  2. Step 2: Convert to fraction form
    159,924.62/239,757.33 = 66,500.30/x
  3. Step 3: Cross multiply
    159,924.62x = 239,757.33 × 66,500.30
  4. Step 4: Simplify right side
    159,924.62x = 15,943,934,372.20
  5. Step 5: Solve for x
    x = 15,943,934,372.20/159,924.62
  6. Step 6: Final answer
    x = 99,696.56

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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.