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Finding the Fourth Proportional to 267,306.56, 368,580.80 and 170,381.15

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Solution

The fourth proportional to 267,306.56, 368,580.80 and 170,381.15 is: 234,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,306.56 : 368,580.80 = 170,381.15 : x
  2. Step 2: Convert to fraction form
    267,306.56/368,580.80 = 170,381.15/x
  3. Step 3: Cross multiply
    267,306.56x = 368,580.80 × 170,381.15
  4. Step 4: Simplify right side
    267,306.56x = 62,799,219,154.97
  5. Step 5: Solve for x
    x = 62,799,219,154.97/267,306.56
  6. Step 6: Final answer
    x = 234,933.33

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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.