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Finding the Fourth Proportional to 159,837.60, 239,729.52 and 58,614.72

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Solution

The fourth proportional to 159,837.60, 239,729.52 and 58,614.72 is: 87,912.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,837.60 : 239,729.52 = 58,614.72 : x
  2. Step 2: Convert to fraction form
    159,837.60/239,729.52 = 58,614.72/x
  3. Step 3: Cross multiply
    159,837.60x = 239,729.52 × 58,614.72
  4. Step 4: Simplify right side
    159,837.60x = 14,051,678,690.53
  5. Step 5: Solve for x
    x = 14,051,678,690.53/159,837.60
  6. Step 6: Final answer
    x = 87,912.22

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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.