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Finding the Fourth Proportional to 100,395.74, 150,589.50 and 41,229.87

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Solution

The fourth proportional to 100,395.74, 150,589.50 and 41,229.87 is: 61,843.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,395.74 : 150,589.50 = 41,229.87 : x
  2. Step 2: Convert to fraction form
    100,395.74/150,589.50 = 41,229.87/x
  3. Step 3: Cross multiply
    100,395.74x = 150,589.50 × 41,229.87
  4. Step 4: Simplify right side
    100,395.74x = 6,208,785,508.37
  5. Step 5: Solve for x
    x = 6,208,785,508.37/100,395.74
  6. Step 6: Final answer
    x = 61,843.12

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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.