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Finding the Fourth Proportional to 167,917.96, 231,728.34 and 92,467

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Solution

The fourth proportional to 167,917.96, 231,728.34 and 92,467 is: 127,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,917.96 : 231,728.34 = 92,467 : x
  2. Step 2: Convert to fraction form
    167,917.96/231,728.34 = 92,467/x
  3. Step 3: Cross multiply
    167,917.96x = 231,728.34 × 92,467
  4. Step 4: Simplify right side
    167,917.96x = 21,427,224,414.78
  5. Step 5: Solve for x
    x = 21,427,224,414.78/167,917.96
  6. Step 6: Final answer
    x = 127,605.32

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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.