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Finding the Fourth Proportional to 194,179.90, 267,914.13 and 125,240.20

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Solution

The fourth proportional to 194,179.90, 267,914.13 and 125,240.20 is: 172,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,179.90 : 267,914.13 = 125,240.20 : x
  2. Step 2: Convert to fraction form
    194,179.90/267,914.13 = 125,240.20/x
  3. Step 3: Cross multiply
    194,179.90x = 267,914.13 × 125,240.20
  4. Step 4: Simplify right side
    194,179.90x = 33,553,619,224.03
  5. Step 5: Solve for x
    x = 33,553,619,224.03/194,179.90
  6. Step 6: Final answer
    x = 172,796.56

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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.