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Finding the Fourth Proportional to 267,113.70, 400,605.75 and 89,574.66

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Solution

The fourth proportional to 267,113.70, 400,605.75 and 89,574.66 is: 134,340.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,113.70 : 400,605.75 = 89,574.66 : x
  2. Step 2: Convert to fraction form
    267,113.70/400,605.75 = 89,574.66/x
  3. Step 3: Cross multiply
    267,113.70x = 400,605.75 × 89,574.66
  4. Step 4: Simplify right side
    267,113.70x = 35,884,123,850.30
  5. Step 5: Solve for x
    x = 35,884,123,850.30/267,113.70
  6. Step 6: Final answer
    x = 134,340.26

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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.