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Finding the Fourth Proportional to 132,896.20, 199,344.30 and 83,744.20

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Solution

The fourth proportional to 132,896.20, 199,344.30 and 83,744.20 is: 125,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,896.20 : 199,344.30 = 83,744.20 : x
  2. Step 2: Convert to fraction form
    132,896.20/199,344.30 = 83,744.20/x
  3. Step 3: Cross multiply
    132,896.20x = 199,344.30 × 83,744.20
  4. Step 4: Simplify right side
    132,896.20x = 16,693,928,928.06
  5. Step 5: Solve for x
    x = 16,693,928,928.06/132,896.20
  6. Step 6: Final answer
    x = 125,616.30

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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.