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Finding the Fourth Proportional to 267,708.60, 401,363.19 and 161,067.58

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Solution

The fourth proportional to 267,708.60, 401,363.19 and 161,067.58 is: 241,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,708.60 : 401,363.19 = 161,067.58 : x
  2. Step 2: Convert to fraction form
    267,708.60/401,363.19 = 161,067.58/x
  3. Step 3: Cross multiply
    267,708.60x = 401,363.19 × 161,067.58
  4. Step 4: Simplify right side
    267,708.60x = 64,646,597,714.38
  5. Step 5: Solve for x
    x = 64,646,597,714.38/267,708.60
  6. Step 6: Final answer
    x = 241,481.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.