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Finding the Fourth Proportional to 267,351.40, 401,027.10 and 165,874.60

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Solution

The fourth proportional to 267,351.40, 401,027.10 and 165,874.60 is: 248,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,351.40 : 401,027.10 = 165,874.60 : x
  2. Step 2: Convert to fraction form
    267,351.40/401,027.10 = 165,874.60/x
  3. Step 3: Cross multiply
    267,351.40x = 401,027.10 × 165,874.60
  4. Step 4: Simplify right side
    267,351.40x = 66,520,209,801.66
  5. Step 5: Solve for x
    x = 66,520,209,801.66/267,351.40
  6. Step 6: Final answer
    x = 248,811.90

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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.