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Finding the Fourth Proportional to 269,504,992.80, 404,257,489.20 and 108,062,791.20

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Solution

The fourth proportional to 269,504,992.80, 404,257,489.20 and 108,062,791.20 is: 162,094,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,504,992.80 : 404,257,489.20 = 108,062,791.20 : x
  2. Step 2: Convert to fraction form
    269,504,992.80/404,257,489.20 = 108,062,791.20/x
  3. Step 3: Cross multiply
    269,504,992.80x = 404,257,489.20 × 108,062,791.20
  4. Step 4: Simplify right side
    269,504,992.80x = 43,685,192,646,455,856
  5. Step 5: Solve for x
    x = 43,685,192,646,455,856/269,504,992.80
  6. Step 6: Final answer
    x = 162,094,186.80

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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.