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Finding the Fourth Proportional to 202,363.11, 303,796.17 and 131,052.33

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Solution

The fourth proportional to 202,363.11, 303,796.17 and 131,052.33 is: 196,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,363.11 : 303,796.17 = 131,052.33 : x
  2. Step 2: Convert to fraction form
    202,363.11/303,796.17 = 131,052.33/x
  3. Step 3: Cross multiply
    202,363.11x = 303,796.17 × 131,052.33
  4. Step 4: Simplify right side
    202,363.11x = 39,813,195,923.58
  5. Step 5: Solve for x
    x = 39,813,195,923.58/202,363.11
  6. Step 6: Final answer
    x = 196,741.37

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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.