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Finding the Fourth Proportional to 223,902.47, 335,897.99 and 63,979.85

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Solution

The fourth proportional to 223,902.47, 335,897.99 and 63,979.85 is: 95,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,902.47 : 335,897.99 = 63,979.85 : x
  2. Step 2: Convert to fraction form
    223,902.47/335,897.99 = 63,979.85/x
  3. Step 3: Cross multiply
    223,902.47x = 335,897.99 × 63,979.85
  4. Step 4: Simplify right side
    223,902.47x = 21,490,701,336.01
  5. Step 5: Solve for x
    x = 21,490,701,336.01/223,902.47
  6. Step 6: Final answer
    x = 95,982.42

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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.