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Finding the Fourth Proportional to 193,494.52, 267,020.22 and 108,609.40

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Solution

The fourth proportional to 193,494.52, 267,020.22 and 108,609.40 is: 149,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,494.52 : 267,020.22 = 108,609.40 : x
  2. Step 2: Convert to fraction form
    193,494.52/267,020.22 = 108,609.40/x
  3. Step 3: Cross multiply
    193,494.52x = 267,020.22 × 108,609.40
  4. Step 4: Simplify right side
    193,494.52x = 29,000,905,882.07
  5. Step 5: Solve for x
    x = 29,000,905,882.07/193,494.52
  6. Step 6: Final answer
    x = 149,879.73

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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.