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Finding the Fourth Proportional to 267,881.32, 401,824.86 and 80,894.44

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Solution

The fourth proportional to 267,881.32, 401,824.86 and 80,894.44 is: 121,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,881.32 : 401,824.86 = 80,894.44 : x
  2. Step 2: Convert to fraction form
    267,881.32/401,824.86 = 80,894.44/x
  3. Step 3: Cross multiply
    267,881.32x = 401,824.86 × 80,894.44
  4. Step 4: Simplify right side
    267,881.32x = 32,505,397,027.78
  5. Step 5: Solve for x
    x = 32,505,397,027.78/267,881.32
  6. Step 6: Final answer
    x = 121,342.53

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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.