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Finding the Fourth Proportional to 134,863.56, 202,305 and 51,757.56

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Solution

The fourth proportional to 134,863.56, 202,305 and 51,757.56 is: 77,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,863.56 : 202,305 = 51,757.56 : x
  2. Step 2: Convert to fraction form
    134,863.56/202,305 = 51,757.56/x
  3. Step 3: Cross multiply
    134,863.56x = 202,305 × 51,757.56
  4. Step 4: Simplify right side
    134,863.56x = 10,470,813,175.80
  5. Step 5: Solve for x
    x = 10,470,813,175.80/134,863.56
  6. Step 6: Final answer
    x = 77,640.05

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1.5x scale

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.