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Finding the Fourth Proportional to 221,454.09, 332,020.22 and 88,294.41

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Solution

The fourth proportional to 221,454.09, 332,020.22 and 88,294.41 is: 132,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,454.09 : 332,020.22 = 88,294.41 : x
  2. Step 2: Convert to fraction form
    221,454.09/332,020.22 = 88,294.41/x
  3. Step 3: Cross multiply
    221,454.09x = 332,020.22 × 88,294.41
  4. Step 4: Simplify right side
    221,454.09x = 29,315,528,991.50
  5. Step 5: Solve for x
    x = 29,315,528,991.50/221,454.09
  6. Step 6: Final answer
    x = 132,377.46

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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.