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Finding the Fourth Proportional to 71,206.40, 106,819.20 and 24,473.60

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Solution

The fourth proportional to 71,206.40, 106,819.20 and 24,473.60 is: 36,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,206.40 : 106,819.20 = 24,473.60 : x
  2. Step 2: Convert to fraction form
    71,206.40/106,819.20 = 24,473.60/x
  3. Step 3: Cross multiply
    71,206.40x = 106,819.20 × 24,473.60
  4. Step 4: Simplify right side
    71,206.40x = 2,614,250,373.12
  5. Step 5: Solve for x
    x = 2,614,250,373.12/71,206.40
  6. Step 6: Final answer
    x = 36,713.70

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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.