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Finding the Fourth Proportional to 111,059.70, 166,589.42 and 36,179.73

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Solution

The fourth proportional to 111,059.70, 166,589.42 and 36,179.73 is: 54,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,059.70 : 166,589.42 = 36,179.73 : x
  2. Step 2: Convert to fraction form
    111,059.70/166,589.42 = 36,179.73/x
  3. Step 3: Cross multiply
    111,059.70x = 166,589.42 × 36,179.73
  4. Step 4: Simplify right side
    111,059.70x = 6,027,160,236.46
  5. Step 5: Solve for x
    x = 6,027,160,236.46/111,059.70
  6. Step 6: Final answer
    x = 54,269.55

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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.