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Finding the Fourth Proportional to 271,546.92, 374,709.92 and 161,146.56

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Solution

The fourth proportional to 271,546.92, 374,709.92 and 161,146.56 is: 222,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,546.92 : 374,709.92 = 161,146.56 : x
  2. Step 2: Convert to fraction form
    271,546.92/374,709.92 = 161,146.56/x
  3. Step 3: Cross multiply
    271,546.92x = 374,709.92 × 161,146.56
  4. Step 4: Simplify right side
    271,546.92x = 60,383,214,605.88
  5. Step 5: Solve for x
    x = 60,383,214,605.88/271,546.92
  6. Step 6: Final answer
    x = 222,367.52

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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.