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Finding the Fourth Proportional to 221,706.32, 332,557.04 and 63,929.66

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Solution

The fourth proportional to 221,706.32, 332,557.04 and 63,929.66 is: 95,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,706.32 : 332,557.04 = 63,929.66 : x
  2. Step 2: Convert to fraction form
    221,706.32/332,557.04 = 63,929.66/x
  3. Step 3: Cross multiply
    221,706.32x = 332,557.04 × 63,929.66
  4. Step 4: Simplify right side
    221,706.32x = 21,260,256,994.85
  5. Step 5: Solve for x
    x = 21,260,256,994.85/221,706.32
  6. Step 6: Final answer
    x = 95,893.78

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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.