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Finding the Fourth Proportional to 81,674.73, 122,489.97 and 22,496.33

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Solution

The fourth proportional to 81,674.73, 122,489.97 and 22,496.33 is: 33,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,674.73 : 122,489.97 = 22,496.33 : x
  2. Step 2: Convert to fraction form
    81,674.73/122,489.97 = 22,496.33/x
  3. Step 3: Cross multiply
    81,674.73x = 122,489.97 × 22,496.33
  4. Step 4: Simplify right side
    81,674.73x = 2,755,574,174.36
  5. Step 5: Solve for x
    x = 2,755,574,174.36/81,674.73
  6. Step 6: Final answer
    x = 33,738.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.