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Finding the Fourth Proportional to 110,744.56, 166,138.72 and 40,624.48

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Solution

The fourth proportional to 110,744.56, 166,138.72 and 40,624.48 is: 60,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,744.56 : 166,138.72 = 40,624.48 : x
  2. Step 2: Convert to fraction form
    110,744.56/166,138.72 = 40,624.48/x
  3. Step 3: Cross multiply
    110,744.56x = 166,138.72 × 40,624.48
  4. Step 4: Simplify right side
    110,744.56x = 6,749,299,107.87
  5. Step 5: Solve for x
    x = 6,749,299,107.87/110,744.56
  6. Step 6: Final answer
    x = 60,944.75

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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.