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Finding the Fourth Proportional to 167,478, 231,119.76 and 92,027.04

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Solution

The fourth proportional to 167,478, 231,119.76 and 92,027.04 is: 126,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,478 : 231,119.76 = 92,027.04 : x
  2. Step 2: Convert to fraction form
    167,478/231,119.76 = 92,027.04/x
  3. Step 3: Cross multiply
    167,478x = 231,119.76 × 92,027.04
  4. Step 4: Simplify right side
    167,478x = 21,269,267,398.31
  5. Step 5: Solve for x
    x = 21,269,267,398.31/167,478
  6. Step 6: Final answer
    x = 126,997.38

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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.