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Finding the Fourth Proportional to 83,951.70, 125,848.38 and 41,791.88

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Solution

The fourth proportional to 83,951.70, 125,848.38 and 41,791.88 is: 62,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,951.70 : 125,848.38 = 41,791.88 : x
  2. Step 2: Convert to fraction form
    83,951.70/125,848.38 = 41,791.88/x
  3. Step 3: Cross multiply
    83,951.70x = 125,848.38 × 41,791.88
  4. Step 4: Simplify right side
    83,951.70x = 5,259,439,765.91
  5. Step 5: Solve for x
    x = 5,259,439,765.91/83,951.70
  6. Step 6: Final answer
    x = 62,648.40

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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.