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Finding the Fourth Proportional to 267,910.87, 401,866.28 and 80,922.37

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Solution

The fourth proportional to 267,910.87, 401,866.28 and 80,922.37 is: 121,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,910.87 : 401,866.28 = 80,922.37 : x
  2. Step 2: Convert to fraction form
    267,910.87/401,866.28 = 80,922.37/x
  3. Step 3: Cross multiply
    267,910.87x = 401,866.28 × 80,922.37
  4. Step 4: Simplify right side
    267,910.87x = 32,519,969,386.74
  5. Step 5: Solve for x
    x = 32,519,969,386.74/267,910.87
  6. Step 6: Final answer
    x = 121,383.54

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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.