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Finding the Fourth Proportional to 267,909.85, 369,720.12 and 147,062.44

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Solution

The fourth proportional to 267,909.85, 369,720.12 and 147,062.44 is: 202,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,909.85 : 369,720.12 = 147,062.44 : x
  2. Step 2: Convert to fraction form
    267,909.85/369,720.12 = 147,062.44/x
  3. Step 3: Cross multiply
    267,909.85x = 369,720.12 × 147,062.44
  4. Step 4: Simplify right side
    267,909.85x = 54,371,942,964.29
  5. Step 5: Solve for x
    x = 54,371,942,964.29/267,909.85
  6. Step 6: Final answer
    x = 202,948.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.