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Finding the Fourth Proportional to 159,580.52, 239,425.46 and 54,473.30

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Solution

The fourth proportional to 159,580.52, 239,425.46 and 54,473.30 is: 81,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,580.52 : 239,425.46 = 54,473.30 : x
  2. Step 2: Convert to fraction form
    159,580.52/239,425.46 = 54,473.30/x
  3. Step 3: Cross multiply
    159,580.52x = 239,425.46 × 54,473.30
  4. Step 4: Simplify right side
    159,580.52x = 13,042,294,542.84
  5. Step 5: Solve for x
    x = 13,042,294,542.84/159,580.52
  6. Step 6: Final answer
    x = 81,728.61

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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.