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Finding the Fourth Proportional to 159,728.47, 239,592.47 and 41,399.92

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Solution

The fourth proportional to 159,728.47, 239,592.47 and 41,399.92 is: 62,099.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,728.47 : 239,592.47 = 41,399.92 : x
  2. Step 2: Convert to fraction form
    159,728.47/239,592.47 = 41,399.92/x
  3. Step 3: Cross multiply
    159,728.47x = 239,592.47 × 41,399.92
  4. Step 4: Simplify right side
    159,728.47x = 9,919,109,090.60
  5. Step 5: Solve for x
    x = 9,919,109,090.60/159,728.47
  6. Step 6: Final answer
    x = 62,099.82

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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.