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Finding the Fourth Proportional to 95,843.20, 143,786.40 and 29,286.40

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Solution

The fourth proportional to 95,843.20, 143,786.40 and 29,286.40 is: 43,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,843.20 : 143,786.40 = 29,286.40 : x
  2. Step 2: Convert to fraction form
    95,843.20/143,786.40 = 29,286.40/x
  3. Step 3: Cross multiply
    95,843.20x = 143,786.40 × 29,286.40
  4. Step 4: Simplify right side
    95,843.20x = 4,210,986,024.96
  5. Step 5: Solve for x
    x = 4,210,986,024.96/95,843.20
  6. Step 6: Final answer
    x = 43,936.20

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Similar ratio
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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.