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Finding the Fourth Proportional to 167,919, 231,729.84 and 92,469.12

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Solution

The fourth proportional to 167,919, 231,729.84 and 92,469.12 is: 127,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,919 : 231,729.84 = 92,469.12 : x
  2. Step 2: Convert to fraction form
    167,919/231,729.84 = 92,469.12/x
  3. Step 3: Cross multiply
    167,919x = 231,729.84 × 92,469.12
  4. Step 4: Simplify right side
    167,919x = 21,427,854,382.54
  5. Step 5: Solve for x
    x = 21,427,854,382.54/167,919
  6. Step 6: Final answer
    x = 127,608.28

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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.