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Finding the Fourth Proportional to 111,059.85, 166,589.64 and 36,179.87

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Solution

The fourth proportional to 111,059.85, 166,589.64 and 36,179.87 is: 54,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,059.85 : 166,589.64 = 36,179.87 : x
  2. Step 2: Convert to fraction form
    111,059.85/166,589.64 = 36,179.87/x
  3. Step 3: Cross multiply
    111,059.85x = 166,589.64 × 36,179.87
  4. Step 4: Simplify right side
    111,059.85x = 6,027,190,685.60
  5. Step 5: Solve for x
    x = 6,027,190,685.60/111,059.85
  6. Step 6: Final answer
    x = 54,269.75

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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.