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Finding the Fourth Proportional to 167,514.31, 231,172.00 and 91,034.92

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Solution

The fourth proportional to 167,514.31, 231,172.00 and 91,034.92 is: 125,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,514.31 : 231,172.00 = 91,034.92 : x
  2. Step 2: Convert to fraction form
    167,514.31/231,172.00 = 91,034.92/x
  3. Step 3: Cross multiply
    167,514.31x = 231,172.00 × 91,034.92
  4. Step 4: Simplify right side
    167,514.31x = 21,044,724,071.07
  5. Step 5: Solve for x
    x = 21,044,724,071.07/167,514.31
  6. Step 6: Final answer
    x = 125,629.41

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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.