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Finding the Fourth Proportional to 111,101.21, 166,651.54 and 37,229.21

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Solution

The fourth proportional to 111,101.21, 166,651.54 and 37,229.21 is: 55,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,101.21 : 166,651.54 = 37,229.21 : x
  2. Step 2: Convert to fraction form
    111,101.21/166,651.54 = 37,229.21/x
  3. Step 3: Cross multiply
    111,101.21x = 166,651.54 × 37,229.21
  4. Step 4: Simplify right side
    111,101.21x = 6,204,305,179.48
  5. Step 5: Solve for x
    x = 6,204,305,179.48/111,101.21
  6. Step 6: Final answer
    x = 55,843.72

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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.