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Finding the Fourth Proportional to 271,991.54, 375,231.90 and 169,839.66

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Solution

The fourth proportional to 271,991.54, 375,231.90 and 169,839.66 is: 234,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,991.54 : 375,231.90 = 169,839.66 : x
  2. Step 2: Convert to fraction form
    271,991.54/375,231.90 = 169,839.66/x
  3. Step 3: Cross multiply
    271,991.54x = 375,231.90 × 169,839.66
  4. Step 4: Simplify right side
    271,991.54x = 63,729,256,273.14
  5. Step 5: Solve for x
    x = 63,729,256,273.14/271,991.54
  6. Step 6: Final answer
    x = 234,306.02

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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.