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Finding the Fourth Proportional to 267,170.40, 400,755.60 and 67,491.36

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Solution

The fourth proportional to 267,170.40, 400,755.60 and 67,491.36 is: 101,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,170.40 : 400,755.60 = 67,491.36 : x
  2. Step 2: Convert to fraction form
    267,170.40/400,755.60 = 67,491.36/x
  3. Step 3: Cross multiply
    267,170.40x = 400,755.60 × 67,491.36
  4. Step 4: Simplify right side
    267,170.40x = 27,047,540,471.62
  5. Step 5: Solve for x
    x = 27,047,540,471.62/267,170.40
  6. Step 6: Final answer
    x = 101,237.04

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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.