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Finding the Fourth Proportional to 267,027.86, 400,540.78 and 109,256.26

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Solution

The fourth proportional to 267,027.86, 400,540.78 and 109,256.26 is: 163,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,027.86 : 400,540.78 = 109,256.26 : x
  2. Step 2: Convert to fraction form
    267,027.86/400,540.78 = 109,256.26/x
  3. Step 3: Cross multiply
    267,027.86x = 400,540.78 × 109,256.26
  4. Step 4: Simplify right side
    267,027.86x = 43,761,587,600.28
  5. Step 5: Solve for x
    x = 43,761,587,600.28/267,027.86
  6. Step 6: Final answer
    x = 163,883.98

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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.