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Finding the Fourth Proportional to 159,937.56, 239,892.35 and 65,177.69

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Solution

The fourth proportional to 159,937.56, 239,892.35 and 65,177.69 is: 97,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,937.56 : 239,892.35 = 65,177.69 : x
  2. Step 2: Convert to fraction form
    159,937.56/239,892.35 = 65,177.69/x
  3. Step 3: Cross multiply
    159,937.56x = 239,892.35 × 65,177.69
  4. Step 4: Simplify right side
    159,937.56x = 15,635,627,696.32
  5. Step 5: Solve for x
    x = 15,635,627,696.32/159,937.56
  6. Step 6: Final answer
    x = 97,760.82

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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.