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Finding the Fourth Proportional to 229,503.60, 344,255.68 and 71,732.88

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Solution

The fourth proportional to 229,503.60, 344,255.68 and 71,732.88 is: 107,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,503.60 : 344,255.68 = 71,732.88 : x
  2. Step 2: Convert to fraction form
    229,503.60/344,255.68 = 71,732.88/x
  3. Step 3: Cross multiply
    229,503.60x = 344,255.68 × 71,732.88
  4. Step 4: Simplify right side
    229,503.60x = 24,694,451,382.76
  5. Step 5: Solve for x
    x = 24,694,451,382.76/229,503.60
  6. Step 6: Final answer
    x = 107,599.41

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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.