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Finding the Fourth Proportional to 193,843.80, 267,465.18 and 113,255.76

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Solution

The fourth proportional to 193,843.80, 267,465.18 and 113,255.76 is: 156,270.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,843.80 : 267,465.18 = 113,255.76 : x
  2. Step 2: Convert to fraction form
    193,843.80/267,465.18 = 113,255.76/x
  3. Step 3: Cross multiply
    193,843.80x = 267,465.18 × 113,255.76
  4. Step 4: Simplify right side
    193,843.80x = 30,291,972,234.44
  5. Step 5: Solve for x
    x = 30,291,972,234.44/193,843.80
  6. Step 6: Final answer
    x = 156,270.01

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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.