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Finding the Fourth Proportional to 111,251.98, 166,876.44 and 27,012.79

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Solution

The fourth proportional to 111,251.98, 166,876.44 and 27,012.79 is: 40,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,251.98 : 166,876.44 = 27,012.79 : x
  2. Step 2: Convert to fraction form
    111,251.98/166,876.44 = 27,012.79/x
  3. Step 3: Cross multiply
    111,251.98x = 166,876.44 × 27,012.79
  4. Step 4: Simplify right side
    111,251.98x = 4,507,798,229.67
  5. Step 5: Solve for x
    x = 4,507,798,229.67/111,251.98
  6. Step 6: Final answer
    x = 40,518.81

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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.