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Finding the Fourth Proportional to 178,588.80, 267,883.20 and 45,469.92

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Solution

The fourth proportional to 178,588.80, 267,883.20 and 45,469.92 is: 68,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,588.80 : 267,883.20 = 45,469.92 : x
  2. Step 2: Convert to fraction form
    178,588.80/267,883.20 = 45,469.92/x
  3. Step 3: Cross multiply
    178,588.80x = 267,883.20 × 45,469.92
  4. Step 4: Simplify right side
    178,588.80x = 12,180,627,673.34
  5. Step 5: Solve for x
    x = 12,180,627,673.34/178,588.80
  6. Step 6: Final answer
    x = 68,204.88

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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.