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Finding the Fourth Proportional to 266,788.44, 400,183.17 and 67,107.48

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Solution

The fourth proportional to 266,788.44, 400,183.17 and 67,107.48 is: 100,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,788.44 : 400,183.17 = 67,107.48 : x
  2. Step 2: Convert to fraction form
    266,788.44/400,183.17 = 67,107.48/x
  3. Step 3: Cross multiply
    266,788.44x = 400,183.17 × 67,107.48
  4. Step 4: Simplify right side
    266,788.44x = 26,855,284,077.11
  5. Step 5: Solve for x
    x = 26,855,284,077.11/266,788.44
  6. Step 6: Final answer
    x = 100,661.35

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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.