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Finding the Fourth Proportional to 269,772.75, 404,620.73 and 109,918.41

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Solution

The fourth proportional to 269,772.75, 404,620.73 and 109,918.41 is: 164,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,772.75 : 404,620.73 = 109,918.41 : x
  2. Step 2: Convert to fraction form
    269,772.75/404,620.73 = 109,918.41/x
  3. Step 3: Cross multiply
    269,772.75x = 404,620.73 × 109,918.41
  4. Step 4: Simplify right side
    269,772.75x = 44,475,266,745.05
  5. Step 5: Solve for x
    x = 44,475,266,745.05/269,772.75
  6. Step 6: Final answer
    x = 164,861.97

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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.