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Finding the Fourth Proportional to 274,906.75, 379,371.29 and 167,476.70

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Solution

The fourth proportional to 274,906.75, 379,371.29 and 167,476.70 is: 231,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,906.75 : 379,371.29 = 167,476.70 : x
  2. Step 2: Convert to fraction form
    274,906.75/379,371.29 = 167,476.70/x
  3. Step 3: Cross multiply
    274,906.75x = 379,371.29 × 167,476.70
  4. Step 4: Simplify right side
    274,906.75x = 63,535,851,723.94
  5. Step 5: Solve for x
    x = 63,535,851,723.94/274,906.75
  6. Step 6: Final answer
    x = 231,117.83

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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.