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Finding the Fourth Proportional to 267,006.60, 400,412.70 and 89,519.40

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Solution

The fourth proportional to 267,006.60, 400,412.70 and 89,519.40 is: 134,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,006.60 : 400,412.70 = 89,519.40 : x
  2. Step 2: Convert to fraction form
    267,006.60/400,412.70 = 89,519.40/x
  3. Step 3: Cross multiply
    267,006.60x = 400,412.70 × 89,519.40
  4. Step 4: Simplify right side
    267,006.60x = 35,844,704,656.38
  5. Step 5: Solve for x
    x = 35,844,704,656.38/267,006.60
  6. Step 6: Final answer
    x = 134,246.51

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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.