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Finding the Fourth Proportional to 73,901.63, 110,850.55 and 20,593.37

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Solution

The fourth proportional to 73,901.63, 110,850.55 and 20,593.37 is: 30,889.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,901.63 : 110,850.55 = 20,593.37 : x
  2. Step 2: Convert to fraction form
    73,901.63/110,850.55 = 20,593.37/x
  3. Step 3: Cross multiply
    73,901.63x = 110,850.55 × 20,593.37
  4. Step 4: Simplify right side
    73,901.63x = 2,282,786,390.85
  5. Step 5: Solve for x
    x = 2,282,786,390.85/73,901.63
  6. Step 6: Final answer
    x = 30,889.53

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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.