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Finding the Fourth Proportional to 71,960.70, 107,843.85 and 48,200.70

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Solution

The fourth proportional to 71,960.70, 107,843.85 and 48,200.70 is: 72,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,960.70 : 107,843.85 = 48,200.70 : x
  2. Step 2: Convert to fraction form
    71,960.70/107,843.85 = 48,200.70/x
  3. Step 3: Cross multiply
    71,960.70x = 107,843.85 × 48,200.70
  4. Step 4: Simplify right side
    71,960.70x = 5,198,149,060.70
  5. Step 5: Solve for x
    x = 5,198,149,060.70/71,960.70
  6. Step 6: Final answer
    x = 72,235.94

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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.