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Finding the Fourth Proportional to 193,976.67, 267,647.67 and 113,388.61

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Solution

The fourth proportional to 193,976.67, 267,647.67 and 113,388.61 is: 156,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,976.67 : 267,647.67 = 113,388.61 : x
  2. Step 2: Convert to fraction form
    193,976.67/267,647.67 = 113,388.61/x
  3. Step 3: Cross multiply
    193,976.67x = 267,647.67 × 113,388.61
  4. Step 4: Simplify right side
    193,976.67x = 30,348,196,704.10
  5. Step 5: Solve for x
    x = 30,348,196,704.10/193,976.67
  6. Step 6: Final answer
    x = 156,452.82

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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.