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Finding the Fourth Proportional to 247,659.57, 341,770.41 and 140,229.77

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Solution

The fourth proportional to 247,659.57, 341,770.41 and 140,229.77 is: 193,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,659.57 : 341,770.41 = 140,229.77 : x
  2. Step 2: Convert to fraction form
    247,659.57/341,770.41 = 140,229.77/x
  3. Step 3: Cross multiply
    247,659.57x = 341,770.41 × 140,229.77
  4. Step 4: Simplify right side
    247,659.57x = 47,926,386,841.53
  5. Step 5: Solve for x
    x = 47,926,386,841.53/247,659.57
  6. Step 6: Final answer
    x = 193,517.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.