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Finding the Fourth Proportional to 100,080.91, 150,121.62 and 36,873.64

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Solution

The fourth proportional to 100,080.91, 150,121.62 and 36,873.64 is: 55,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,080.91 : 150,121.62 = 36,873.64 : x
  2. Step 2: Convert to fraction form
    100,080.91/150,121.62 = 36,873.64/x
  3. Step 3: Cross multiply
    100,080.91x = 150,121.62 × 36,873.64
  4. Step 4: Simplify right side
    100,080.91x = 5,535,530,759.75
  5. Step 5: Solve for x
    x = 5,535,530,759.75/100,080.91
  6. Step 6: Final answer
    x = 55,310.56

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1.5x scale

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.