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Finding the Fourth Proportional to 267,194.26, 400,781.67 and 80,200.90

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Solution

The fourth proportional to 267,194.26, 400,781.67 and 80,200.90 is: 120,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,194.26 : 400,781.67 = 80,200.90 : x
  2. Step 2: Convert to fraction form
    267,194.26/400,781.67 = 80,200.90/x
  3. Step 3: Cross multiply
    267,194.26x = 400,781.67 × 80,200.90
  4. Step 4: Simplify right side
    267,194.26x = 32,143,050,637.50
  5. Step 5: Solve for x
    x = 32,143,050,637.50/267,194.26
  6. Step 6: Final answer
    x = 120,298.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.