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Finding the Fourth Proportional to 193,676.75, 267,287.55 and 108,793.88

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Solution

The fourth proportional to 193,676.75, 267,287.55 and 108,793.88 is: 150,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,676.75 : 267,287.55 = 108,793.88 : x
  2. Step 2: Convert to fraction form
    193,676.75/267,287.55 = 108,793.88/x
  3. Step 3: Cross multiply
    193,676.75x = 267,287.55 × 108,793.88
  4. Step 4: Simplify right side
    193,676.75x = 29,079,249,640.19
  5. Step 5: Solve for x
    x = 29,079,249,640.19/193,676.75
  6. Step 6: Final answer
    x = 150,143.21

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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.