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Finding the Fourth Proportional to 135,190, 202,785 and 36,694

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Solution

The fourth proportional to 135,190, 202,785 and 36,694 is: 55,041

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,190 : 202,785 = 36,694 : x
  2. Step 2: Convert to fraction form
    135,190/202,785 = 36,694/x
  3. Step 3: Cross multiply
    135,190x = 202,785 × 36,694
  4. Step 4: Simplify right side
    135,190x = 7,440,992,790
  5. Step 5: Solve for x
    x = 7,440,992,790/135,190
  6. Step 6: Final answer
    x = 55,041

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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.