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Finding the Fourth Proportional to 111,650.68, 167,249.76 and 51,593.77

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Solution

The fourth proportional to 111,650.68, 167,249.76 and 51,593.77 is: 77,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,650.68 : 167,249.76 = 51,593.77 : x
  2. Step 2: Convert to fraction form
    111,650.68/167,249.76 = 51,593.77/x
  3. Step 3: Cross multiply
    111,650.68x = 167,249.76 × 51,593.77
  4. Step 4: Simplify right side
    111,650.68x = 8,629,045,650.00
  5. Step 5: Solve for x
    x = 8,629,045,650.00/111,650.68
  6. Step 6: Final answer
    x = 77,286.10

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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.