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Finding the Fourth Proportional to 178,984.66, 267,892.83 and 131,587.22

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Solution

The fourth proportional to 178,984.66, 267,892.83 and 131,587.22 is: 196,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,984.66 : 267,892.83 = 131,587.22 : x
  2. Step 2: Convert to fraction form
    178,984.66/267,892.83 = 131,587.22/x
  3. Step 3: Cross multiply
    178,984.66x = 267,892.83 × 131,587.22
  4. Step 4: Simplify right side
    178,984.66x = 35,251,272,757.63
  5. Step 5: Solve for x
    x = 35,251,272,757.63/178,984.66
  6. Step 6: Final answer
    x = 196,951.36

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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.