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Finding the Fourth Proportional to 221,383.33, 332,124.30 and 71,620.27

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Solution

The fourth proportional to 221,383.33, 332,124.30 and 71,620.27 is: 107,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,383.33 : 332,124.30 = 71,620.27 : x
  2. Step 2: Convert to fraction form
    221,383.33/332,124.30 = 71,620.27/x
  3. Step 3: Cross multiply
    221,383.33x = 332,124.30 × 71,620.27
  4. Step 4: Simplify right side
    221,383.33x = 23,786,831,209.25
  5. Step 5: Solve for x
    x = 23,786,831,209.25/221,383.33
  6. Step 6: Final answer
    x = 107,446.35

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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.