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Finding the Fourth Proportional to 178,562.97, 267,860.16 and 66,244.41

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Solution

The fourth proportional to 178,562.97, 267,860.16 and 66,244.41 is: 99,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,562.97 : 267,860.16 = 66,244.41 : x
  2. Step 2: Convert to fraction form
    178,562.97/267,860.16 = 66,244.41/x
  3. Step 3: Cross multiply
    178,562.97x = 267,860.16 × 66,244.41
  4. Step 4: Simplify right side
    178,562.97x = 17,744,238,261.71
  5. Step 5: Solve for x
    x = 17,744,238,261.71/178,562.97
  6. Step 6: Final answer
    x = 99,372.44

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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.