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Finding the Fourth Proportional to 206,701.80, 309,793.88 and 88,234.44

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Solution

The fourth proportional to 206,701.80, 309,793.88 and 88,234.44 is: 132,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,701.80 : 309,793.88 = 88,234.44 : x
  2. Step 2: Convert to fraction form
    206,701.80/309,793.88 = 88,234.44/x
  3. Step 3: Cross multiply
    206,701.80x = 309,793.88 × 88,234.44
  4. Step 4: Simplify right side
    206,701.80x = 27,334,489,517.23
  5. Step 5: Solve for x
    x = 27,334,489,517.23/206,701.80
  6. Step 6: Final answer
    x = 132,241.18

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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.