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Finding the Fourth Proportional to 267,204.61, 400,797.19 and 80,211.25

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Solution

The fourth proportional to 267,204.61, 400,797.19 and 80,211.25 is: 120,313.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,204.61 : 400,797.19 = 80,211.25 : x
  2. Step 2: Convert to fraction form
    267,204.61/400,797.19 = 80,211.25/x
  3. Step 3: Cross multiply
    267,204.61x = 400,797.19 × 80,211.25
  4. Step 4: Simplify right side
    267,204.61x = 32,148,443,606.39
  5. Step 5: Solve for x
    x = 32,148,443,606.39/267,204.61
  6. Step 6: Final answer
    x = 120,313.96

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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.