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Finding the Fourth Proportional to 269,843.72, 404,691.63 and 101,351.03

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Solution

The fourth proportional to 269,843.72, 404,691.63 and 101,351.03 is: 151,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,843.72 : 404,691.63 = 101,351.03 : x
  2. Step 2: Convert to fraction form
    269,843.72/404,691.63 = 101,351.03/x
  3. Step 3: Cross multiply
    269,843.72x = 404,691.63 × 101,351.03
  4. Step 4: Simplify right side
    269,843.72x = 41,015,913,532.88
  5. Step 5: Solve for x
    x = 41,015,913,532.88/269,843.72
  6. Step 6: Final answer
    x = 151,998.77

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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.