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Finding the Fourth Proportional to 221,858.43, 332,738.69 and 64,052.55

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Solution

The fourth proportional to 221,858.43, 332,738.69 and 64,052.55 is: 96,064.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,858.43 : 332,738.69 = 64,052.55 : x
  2. Step 2: Convert to fraction form
    221,858.43/332,738.69 = 64,052.55/x
  3. Step 3: Cross multiply
    221,858.43x = 332,738.69 × 64,052.55
  4. Step 4: Simplify right side
    221,858.43x = 21,312,761,257.90
  5. Step 5: Solve for x
    x = 21,312,761,257.90/221,858.43
  6. Step 6: Final answer
    x = 96,064.69

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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.