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Finding the Fourth Proportional to 202,843.26, 304,200.17 and 69,691.42

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Solution

The fourth proportional to 202,843.26, 304,200.17 and 69,691.42 is: 104,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,843.26 : 304,200.17 = 69,691.42 : x
  2. Step 2: Convert to fraction form
    202,843.26/304,200.17 = 69,691.42/x
  3. Step 3: Cross multiply
    202,843.26x = 304,200.17 × 69,691.42
  4. Step 4: Simplify right side
    202,843.26x = 21,200,141,811.54
  5. Step 5: Solve for x
    x = 21,200,141,811.54/202,843.26
  6. Step 6: Final answer
    x = 104,514.89

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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.