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Finding the Fourth Proportional to 267,211.10, 400,874.97 and 89,713.42

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Solution

The fourth proportional to 267,211.10, 400,874.97 and 89,713.42 is: 134,589.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,211.10 : 400,874.97 = 89,713.42 : x
  2. Step 2: Convert to fraction form
    267,211.10/400,874.97 = 89,713.42/x
  3. Step 3: Cross multiply
    267,211.10x = 400,874.97 × 89,713.42
  4. Step 4: Simplify right side
    267,211.10x = 35,963,866,140.26
  5. Step 5: Solve for x
    x = 35,963,866,140.26/267,211.10
  6. Step 6: Final answer
    x = 134,589.72

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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.