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Finding the Fourth Proportional to 267,599.32, 401,401.86 and 80,612.44

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Solution

The fourth proportional to 267,599.32, 401,401.86 and 80,612.44 is: 120,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,599.32 : 401,401.86 = 80,612.44 : x
  2. Step 2: Convert to fraction form
    267,599.32/401,401.86 = 80,612.44/x
  3. Step 3: Cross multiply
    267,599.32x = 401,401.86 × 80,612.44
  4. Step 4: Simplify right side
    267,599.32x = 32,357,983,355.14
  5. Step 5: Solve for x
    x = 32,357,983,355.14/267,599.32
  6. Step 6: Final answer
    x = 120,919.53

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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.