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Finding the Fourth Proportional to 267,900.23, 401,850.36 and 80,911.73

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Solution

The fourth proportional to 267,900.23, 401,850.36 and 80,911.73 is: 121,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,900.23 : 401,850.36 = 80,911.73 : x
  2. Step 2: Convert to fraction form
    267,900.23/401,850.36 = 80,911.73/x
  3. Step 3: Cross multiply
    267,900.23x = 401,850.36 × 80,911.73
  4. Step 4: Simplify right side
    267,900.23x = 32,514,408,833.35
  5. Step 5: Solve for x
    x = 32,514,408,833.35/267,900.23
  6. Step 6: Final answer
    x = 121,367.60

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1.5x scale

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.