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Finding the Fourth Proportional to 267,434.97, 369,100.90 and 170,680.57

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Solution

The fourth proportional to 267,434.97, 369,100.90 and 170,680.57 is: 235,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,434.97 : 369,100.90 = 170,680.57 : x
  2. Step 2: Convert to fraction form
    267,434.97/369,100.90 = 170,680.57/x
  3. Step 3: Cross multiply
    267,434.97x = 369,100.90 × 170,680.57
  4. Step 4: Simplify right side
    267,434.97x = 62,998,351,290.11
  5. Step 5: Solve for x
    x = 62,998,351,290.11/267,434.97
  6. Step 6: Final answer
    x = 235,565.13

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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.