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Finding the Fourth Proportional to 83,524.14, 125,269.21 and 30,921.12

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Solution

The fourth proportional to 83,524.14, 125,269.21 and 30,921.12 is: 46,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,524.14 : 125,269.21 = 30,921.12 : x
  2. Step 2: Convert to fraction form
    83,524.14/125,269.21 = 30,921.12/x
  3. Step 3: Cross multiply
    83,524.14x = 125,269.21 × 30,921.12
  4. Step 4: Simplify right side
    83,524.14x = 3,873,464,274.72
  5. Step 5: Solve for x
    x = 3,873,464,274.72/83,524.14
  6. Step 6: Final answer
    x = 46,375.39

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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.