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Finding the Fourth Proportional to 243,934.26, 365,947.56 and 75,447.78

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Solution

The fourth proportional to 243,934.26, 365,947.56 and 75,447.78 is: 113,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,934.26 : 365,947.56 = 75,447.78 : x
  2. Step 2: Convert to fraction form
    243,934.26/365,947.56 = 75,447.78/x
  3. Step 3: Cross multiply
    243,934.26x = 365,947.56 × 75,447.78
  4. Step 4: Simplify right side
    243,934.26x = 27,609,930,998.42
  5. Step 5: Solve for x
    x = 27,609,930,998.42/243,934.26
  6. Step 6: Final answer
    x = 113,185.95

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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.