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Finding the Fourth Proportional to 221,956.48, 332,944.44 and 64,200.88

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Solution

The fourth proportional to 221,956.48, 332,944.44 and 64,200.88 is: 96,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,956.48 : 332,944.44 = 64,200.88 : x
  2. Step 2: Convert to fraction form
    221,956.48/332,944.44 = 64,200.88/x
  3. Step 3: Cross multiply
    221,956.48x = 332,944.44 × 64,200.88
  4. Step 4: Simplify right side
    221,956.48x = 21,375,326,039.11
  5. Step 5: Solve for x
    x = 21,375,326,039.11/221,956.48
  6. Step 6: Final answer
    x = 96,304.13

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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.