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Finding the Fourth Proportional to 267,009.96, 400,553.82 and 80,036.04

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Solution

The fourth proportional to 267,009.96, 400,553.82 and 80,036.04 is: 120,065.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,009.96 : 400,553.82 = 80,036.04 : x
  2. Step 2: Convert to fraction form
    267,009.96/400,553.82 = 80,036.04/x
  3. Step 3: Cross multiply
    267,009.96x = 400,553.82 × 80,036.04
  4. Step 4: Simplify right side
    267,009.96x = 32,058,741,559.67
  5. Step 5: Solve for x
    x = 32,058,741,559.67/267,009.96
  6. Step 6: Final answer
    x = 120,065.71

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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.