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Finding the Fourth Proportional to 159,528.47, 239,233.12 and 52,892.87

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Solution

The fourth proportional to 159,528.47, 239,233.12 and 52,892.87 is: 79,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,528.47 : 239,233.12 = 52,892.87 : x
  2. Step 2: Convert to fraction form
    159,528.47/239,233.12 = 52,892.87/x
  3. Step 3: Cross multiply
    159,528.47x = 239,233.12 × 52,892.87
  4. Step 4: Simplify right side
    159,528.47x = 12,653,726,315.85
  5. Step 5: Solve for x
    x = 12,653,726,315.85/159,528.47
  6. Step 6: Final answer
    x = 79,319.55

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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.