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Finding the Fourth Proportional to 193,469.22, 290,067.75 and 75,040.74

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Solution

The fourth proportional to 193,469.22, 290,067.75 and 75,040.74 is: 112,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,469.22 : 290,067.75 = 75,040.74 : x
  2. Step 2: Convert to fraction form
    193,469.22/290,067.75 = 75,040.74/x
  3. Step 3: Cross multiply
    193,469.22x = 290,067.75 × 75,040.74
  4. Step 4: Simplify right side
    193,469.22x = 21,766,898,610.14
  5. Step 5: Solve for x
    x = 21,766,898,610.14/193,469.22
  6. Step 6: Final answer
    x = 112,508.33

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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.