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Finding the Fourth Proportional to 84,023.33, 126,027.70 and 27,844.97

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Solution

The fourth proportional to 84,023.33, 126,027.70 and 27,844.97 is: 41,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,023.33 : 126,027.70 = 27,844.97 : x
  2. Step 2: Convert to fraction form
    84,023.33/126,027.70 = 27,844.97/x
  3. Step 3: Cross multiply
    84,023.33x = 126,027.70 × 27,844.97
  4. Step 4: Simplify right side
    84,023.33x = 3,509,236,825.92
  5. Step 5: Solve for x
    x = 3,509,236,825.92/84,023.33
  6. Step 6: Final answer
    x = 41,765.03

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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.