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Finding the Fourth Proportional to 159,902.71, 239,591.62 and 54,664.27

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Solution

The fourth proportional to 159,902.71, 239,591.62 and 54,664.27 is: 81,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,902.71 : 239,591.62 = 54,664.27 : x
  2. Step 2: Convert to fraction form
    159,902.71/239,591.62 = 54,664.27/x
  3. Step 3: Cross multiply
    159,902.71x = 239,591.62 × 54,664.27
  4. Step 4: Simplify right side
    159,902.71x = 13,097,101,005.42
  5. Step 5: Solve for x
    x = 13,097,101,005.42/159,902.71
  6. Step 6: Final answer
    x = 81,906.69

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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.