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Finding the Fourth Proportional to 132,571.39, 182,948.26 and 75,221.97

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Solution

The fourth proportional to 132,571.39, 182,948.26 and 75,221.97 is: 103,806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,571.39 : 182,948.26 = 75,221.97 : x
  2. Step 2: Convert to fraction form
    132,571.39/182,948.26 = 75,221.97/x
  3. Step 3: Cross multiply
    132,571.39x = 182,948.26 × 75,221.97
  4. Step 4: Simplify right side
    132,571.39x = 13,761,728,525.27
  5. Step 5: Solve for x
    x = 13,761,728,525.27/132,571.39
  6. Step 6: Final answer
    x = 103,806.17

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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.