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Finding the Fourth Proportional to 267,030.62, 400,531.35 and 67,351.10

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Solution

The fourth proportional to 267,030.62, 400,531.35 and 67,351.10 is: 101,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,030.62 : 400,531.35 = 67,351.10 : x
  2. Step 2: Convert to fraction form
    267,030.62/400,531.35 = 67,351.10/x
  3. Step 3: Cross multiply
    267,030.62x = 400,531.35 × 67,351.10
  4. Step 4: Simplify right side
    267,030.62x = 26,976,227,006.99
  5. Step 5: Solve for x
    x = 26,976,227,006.99/267,030.62
  6. Step 6: Final answer
    x = 101,022.97

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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.