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Finding the Fourth Proportional to 217,735.56, 326,450.25 and 84,503.52

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Solution

The fourth proportional to 217,735.56, 326,450.25 and 84,503.52 is: 126,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,735.56 : 326,450.25 = 84,503.52 : x
  2. Step 2: Convert to fraction form
    217,735.56/326,450.25 = 84,503.52/x
  3. Step 3: Cross multiply
    217,735.56x = 326,450.25 × 84,503.52
  4. Step 4: Simplify right side
    217,735.56x = 27,586,195,229.88
  5. Step 5: Solve for x
    x = 27,586,195,229.88/217,735.56
  6. Step 6: Final answer
    x = 126,695.87

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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.