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Finding the Fourth Proportional to 274,729, 379,105.24 and 167,287.08

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Solution

The fourth proportional to 274,729, 379,105.24 and 167,287.08 is: 230,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,729 : 379,105.24 = 167,287.08 : x
  2. Step 2: Convert to fraction form
    274,729/379,105.24 = 167,287.08/x
  3. Step 3: Cross multiply
    274,729x = 379,105.24 × 167,287.08
  4. Step 4: Simplify right side
    274,729x = 63,419,408,612.30
  5. Step 5: Solve for x
    x = 63,419,408,612.30/274,729
  6. Step 6: Final answer
    x = 230,843.52

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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.