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Finding the Fourth Proportional to 267,375.60, 401,063.40 and 109,717.20

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Solution

The fourth proportional to 267,375.60, 401,063.40 and 109,717.20 is: 164,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,375.60 : 401,063.40 = 109,717.20 : x
  2. Step 2: Convert to fraction form
    267,375.60/401,063.40 = 109,717.20/x
  3. Step 3: Cross multiply
    267,375.60x = 401,063.40 × 109,717.20
  4. Step 4: Simplify right side
    267,375.60x = 44,003,553,270.48
  5. Step 5: Solve for x
    x = 44,003,553,270.48/267,375.60
  6. Step 6: Final answer
    x = 164,575.80

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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.