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Finding the Fourth Proportional to 111,676.59, 167,546.16 and 45,163.44

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Solution

The fourth proportional to 111,676.59, 167,546.16 and 45,163.44 is: 67,757.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,676.59 : 167,546.16 = 45,163.44 : x
  2. Step 2: Convert to fraction form
    111,676.59/167,546.16 = 45,163.44/x
  3. Step 3: Cross multiply
    111,676.59x = 167,546.16 × 45,163.44
  4. Step 4: Simplify right side
    111,676.59x = 7,566,960,944.39
  5. Step 5: Solve for x
    x = 7,566,960,944.39/111,676.59
  6. Step 6: Final answer
    x = 67,757.81

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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.