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Finding the Fourth Proportional to 267,352.36, 401,028.85 and 80,363.86

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Solution

The fourth proportional to 267,352.36, 401,028.85 and 80,363.86 is: 120,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,352.36 : 401,028.85 = 80,363.86 : x
  2. Step 2: Convert to fraction form
    267,352.36/401,028.85 = 80,363.86/x
  3. Step 3: Cross multiply
    267,352.36x = 401,028.85 × 80,363.86
  4. Step 4: Simplify right side
    267,352.36x = 32,228,226,357.36
  5. Step 5: Solve for x
    x = 32,228,226,357.36/267,352.36
  6. Step 6: Final answer
    x = 120,545.88

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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.