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Finding the Fourth Proportional to 167,991.63, 231,788.61 and 95,378.73

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Solution

The fourth proportional to 167,991.63, 231,788.61 and 95,378.73 is: 131,600.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,991.63 : 231,788.61 = 95,378.73 : x
  2. Step 2: Convert to fraction form
    167,991.63/231,788.61 = 95,378.73/x
  3. Step 3: Cross multiply
    167,991.63x = 231,788.61 × 95,378.73
  4. Step 4: Simplify right side
    167,991.63x = 22,107,703,250.27
  5. Step 5: Solve for x
    x = 22,107,703,250.27/167,991.63
  6. Step 6: Final answer
    x = 131,600.03

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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.