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Finding the Fourth Proportional to 311,129.82, 466,791.57 and 111,451.92

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Solution

The fourth proportional to 311,129.82, 466,791.57 and 111,451.92 is: 167,212.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,129.82 : 466,791.57 = 111,451.92 : x
  2. Step 2: Convert to fraction form
    311,129.82/466,791.57 = 111,451.92/x
  3. Step 3: Cross multiply
    311,129.82x = 466,791.57 × 111,451.92
  4. Step 4: Simplify right side
    311,129.82x = 52,024,816,716.31
  5. Step 5: Solve for x
    x = 52,024,816,716.31/311,129.82
  6. Step 6: Final answer
    x = 167,212.57

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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.