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Finding the Fourth Proportional to 71,960.20, 107,843.10 and 48,200.20

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Solution

The fourth proportional to 71,960.20, 107,843.10 and 48,200.20 is: 72,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,960.20 : 107,843.10 = 48,200.20 : x
  2. Step 2: Convert to fraction form
    71,960.20/107,843.10 = 48,200.20/x
  3. Step 3: Cross multiply
    71,960.20x = 107,843.10 × 48,200.20
  4. Step 4: Simplify right side
    71,960.20x = 5,198,058,988.62
  5. Step 5: Solve for x
    x = 5,198,058,988.62/71,960.20
  6. Step 6: Final answer
    x = 72,235.19

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1.5x scale

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.