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Finding the Fourth Proportional to 178,751.88, 267,719.49 and 85,323.24

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Solution

The fourth proportional to 178,751.88, 267,719.49 and 85,323.24 is: 127,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,751.88 : 267,719.49 = 85,323.24 : x
  2. Step 2: Convert to fraction form
    178,751.88/267,719.49 = 85,323.24/x
  3. Step 3: Cross multiply
    178,751.88x = 267,719.49 × 85,323.24
  4. Step 4: Simplify right side
    178,751.88x = 22,842,694,297.95
  5. Step 5: Solve for x
    x = 22,842,694,297.95/178,751.88
  6. Step 6: Final answer
    x = 127,789.95

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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.