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Finding the Fourth Proportional to 167,791.86, 231,552.79 and 92,340.36

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Solution

The fourth proportional to 167,791.86, 231,552.79 and 92,340.36 is: 127,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,791.86 : 231,552.79 = 92,340.36 : x
  2. Step 2: Convert to fraction form
    167,791.86/231,552.79 = 92,340.36/x
  3. Step 3: Cross multiply
    167,791.86x = 231,552.79 × 92,340.36
  4. Step 4: Simplify right side
    167,791.86x = 21,381,667,987.60
  5. Step 5: Solve for x
    x = 21,381,667,987.60/167,791.86
  6. Step 6: Final answer
    x = 127,429.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.