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Finding the Fourth Proportional to 202,542.33, 303,616.04 and 80,926.62

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Solution

The fourth proportional to 202,542.33, 303,616.04 and 80,926.62 is: 121,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,542.33 : 303,616.04 = 80,926.62 : x
  2. Step 2: Convert to fraction form
    202,542.33/303,616.04 = 80,926.62/x
  3. Step 3: Cross multiply
    202,542.33x = 303,616.04 × 80,926.62
  4. Step 4: Simplify right side
    202,542.33x = 24,570,617,972.27
  5. Step 5: Solve for x
    x = 24,570,617,972.27/202,542.33
  6. Step 6: Final answer
    x = 121,311.03

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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.