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Finding the Fourth Proportional to 221,360.38, 332,083.23 and 71,637.82

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Solution

The fourth proportional to 221,360.38, 332,083.23 and 71,637.82 is: 107,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,360.38 : 332,083.23 = 71,637.82 : x
  2. Step 2: Convert to fraction form
    221,360.38/332,083.23 = 71,637.82/x
  3. Step 3: Cross multiply
    221,360.38x = 332,083.23 × 71,637.82
  4. Step 4: Simplify right side
    221,360.38x = 23,789,717,556.91
  5. Step 5: Solve for x
    x = 23,789,717,556.91/221,360.38
  6. Step 6: Final answer
    x = 107,470.53

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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.