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Finding the Fourth Proportional to 79,822.80, 119,604.60 and 50,187.60

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Solution

The fourth proportional to 79,822.80, 119,604.60 and 50,187.60 is: 75,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,822.80 : 119,604.60 = 50,187.60 : x
  2. Step 2: Convert to fraction form
    79,822.80/119,604.60 = 50,187.60/x
  3. Step 3: Cross multiply
    79,822.80x = 119,604.60 × 50,187.60
  4. Step 4: Simplify right side
    79,822.80x = 6,002,667,822.96
  5. Step 5: Solve for x
    x = 6,002,667,822.96/79,822.80
  6. Step 6: Final answer
    x = 75,199.92

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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.