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Finding the Fourth Proportional to 221,645.58, 332,675.73 and 109,452.48

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Solution

The fourth proportional to 221,645.58, 332,675.73 and 109,452.48 is: 164,281.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,645.58 : 332,675.73 = 109,452.48 : x
  2. Step 2: Convert to fraction form
    221,645.58/332,675.73 = 109,452.48/x
  3. Step 3: Cross multiply
    221,645.58x = 332,675.73 × 109,452.48
  4. Step 4: Simplify right side
    221,645.58x = 36,412,183,684.31
  5. Step 5: Solve for x
    x = 36,412,183,684.31/221,645.58
  6. Step 6: Final answer
    x = 164,281.12

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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.