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Finding the Fourth Proportional to 167,481.57, 231,121.76 and 91,001.84

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Solution

The fourth proportional to 167,481.57, 231,121.76 and 91,001.84 is: 125,581.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,481.57 : 231,121.76 = 91,001.84 : x
  2. Step 2: Convert to fraction form
    167,481.57/231,121.76 = 91,001.84/x
  3. Step 3: Cross multiply
    167,481.57x = 231,121.76 × 91,001.84
  4. Step 4: Simplify right side
    167,481.57x = 21,032,505,424.04
  5. Step 5: Solve for x
    x = 21,032,505,424.04/167,481.57
  6. Step 6: Final answer
    x = 125,581.01

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