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Finding the Fourth Proportional to 193,997.97, 267,676.92 and 113,409.72

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Solution

The fourth proportional to 193,997.97, 267,676.92 and 113,409.72 is: 156,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,997.97 : 267,676.92 = 113,409.72 : x
  2. Step 2: Convert to fraction form
    193,997.97/267,676.92 = 113,409.72/x
  3. Step 3: Cross multiply
    193,997.97x = 267,676.92 × 113,409.72
  4. Step 4: Simplify right side
    193,997.97x = 30,357,164,547.66
  5. Step 5: Solve for x
    x = 30,357,164,547.66/193,997.97
  6. Step 6: Final answer
    x = 156,481.87

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1.5x scale

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.