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Finding the Fourth Proportional to 178,576.60, 267,864.66 and 73,321.48

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Solution

The fourth proportional to 178,576.60, 267,864.66 and 73,321.48 is: 109,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,576.60 : 267,864.66 = 73,321.48 : x
  2. Step 2: Convert to fraction form
    178,576.60/267,864.66 = 73,321.48/x
  3. Step 3: Cross multiply
    178,576.60x = 267,864.66 × 73,321.48
  4. Step 4: Simplify right side
    178,576.60x = 19,640,233,310.90
  5. Step 5: Solve for x
    x = 19,640,233,310.90/178,576.60
  6. Step 6: Final answer
    x = 109,982.12

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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.