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Finding the Fourth Proportional to 50,198.56, 75,149.89 and 43,970.74

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Solution

The fourth proportional to 50,198.56, 75,149.89 and 43,970.74 is: 65,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,198.56 : 75,149.89 = 43,970.74 : x
  2. Step 2: Convert to fraction form
    50,198.56/75,149.89 = 43,970.74/x
  3. Step 3: Cross multiply
    50,198.56x = 75,149.89 × 43,970.74
  4. Step 4: Simplify right side
    50,198.56x = 3,304,396,274.22
  5. Step 5: Solve for x
    x = 3,304,396,274.22/50,198.56
  6. Step 6: Final answer
    x = 65,826.52

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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.