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Finding the Fourth Proportional to 223,800, 335,648.40 and 63,872.88

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Solution

The fourth proportional to 223,800, 335,648.40 and 63,872.88 is: 95,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,800 : 335,648.40 = 63,872.88 : x
  2. Step 2: Convert to fraction form
    223,800/335,648.40 = 63,872.88/x
  3. Step 3: Cross multiply
    223,800x = 335,648.40 × 63,872.88
  4. Step 4: Simplify right side
    223,800x = 21,438,829,975.39
  5. Step 5: Solve for x
    x = 21,438,829,975.39/223,800
  6. Step 6: Final answer
    x = 95,794.59

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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.