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Finding the Fourth Proportional to 202,436.10, 303,654.15 and 187,229.70

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Solution

The fourth proportional to 202,436.10, 303,654.15 and 187,229.70 is: 280,844.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,436.10 : 303,654.15 = 187,229.70 : x
  2. Step 2: Convert to fraction form
    202,436.10/303,654.15 = 187,229.70/x
  3. Step 3: Cross multiply
    202,436.10x = 303,654.15 × 187,229.70
  4. Step 4: Simplify right side
    202,436.10x = 56,853,075,408.26
  5. Step 5: Solve for x
    x = 56,853,075,408.26/202,436.10
  6. Step 6: Final answer
    x = 280,844.55

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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.