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Finding the Fourth Proportional to 221,704.80, 332,606.34 and 63,920.94

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Solution

The fourth proportional to 221,704.80, 332,606.34 and 63,920.94 is: 95,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,704.80 : 332,606.34 = 63,920.94 : x
  2. Step 2: Convert to fraction form
    221,704.80/332,606.34 = 63,920.94/x
  3. Step 3: Cross multiply
    221,704.80x = 332,606.34 × 63,920.94
  4. Step 4: Simplify right side
    221,704.80x = 21,260,509,902.76
  5. Step 5: Solve for x
    x = 21,260,509,902.76/221,704.80
  6. Step 6: Final answer
    x = 95,895.58

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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.