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Finding the Fourth Proportional to 202,667.27, 303,836.92 and 84,427.43

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Solution

The fourth proportional to 202,667.27, 303,836.92 and 84,427.43 is: 126,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,667.27 : 303,836.92 = 84,427.43 : x
  2. Step 2: Convert to fraction form
    202,667.27/303,836.92 = 84,427.43/x
  3. Step 3: Cross multiply
    202,667.27x = 303,836.92 × 84,427.43
  4. Step 4: Simplify right side
    202,667.27x = 25,652,170,294.72
  5. Step 5: Solve for x
    x = 25,652,170,294.72/202,667.27
  6. Step 6: Final answer
    x = 126,572.83

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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.