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Finding the Fourth Proportional to 159,771.97, 239,658.04 and 54,591.97

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Solution

The fourth proportional to 159,771.97, 239,658.04 and 54,591.97 is: 81,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,771.97 : 239,658.04 = 54,591.97 : x
  2. Step 2: Convert to fraction form
    159,771.97/239,658.04 = 54,591.97/x
  3. Step 3: Cross multiply
    159,771.97x = 239,658.04 × 54,591.97
  4. Step 4: Simplify right side
    159,771.97x = 13,083,404,529.94
  5. Step 5: Solve for x
    x = 13,083,404,529.94/159,771.97
  6. Step 6: Final answer
    x = 81,887.98

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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.