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Finding the Fourth Proportional to 100,314.39, 150,479.78 and 41,150.57

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Solution

The fourth proportional to 100,314.39, 150,479.78 and 41,150.57 is: 61,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,314.39 : 150,479.78 = 41,150.57 : x
  2. Step 2: Convert to fraction form
    100,314.39/150,479.78 = 41,150.57/x
  3. Step 3: Cross multiply
    100,314.39x = 150,479.78 × 41,150.57
  4. Step 4: Simplify right side
    100,314.39x = 6,192,328,720.47
  5. Step 5: Solve for x
    x = 6,192,328,720.47/100,314.39
  6. Step 6: Final answer
    x = 61,729.22

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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.