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Finding the Fourth Proportional to 83,267.60, 124,873.16 and 27,093.82

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Solution

The fourth proportional to 83,267.60, 124,873.16 and 27,093.82 is: 40,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,267.60 : 124,873.16 = 27,093.82 : x
  2. Step 2: Convert to fraction form
    83,267.60/124,873.16 = 27,093.82/x
  3. Step 3: Cross multiply
    83,267.60x = 124,873.16 × 27,093.82
  4. Step 4: Simplify right side
    83,267.60x = 3,383,290,919.87
  5. Step 5: Solve for x
    x = 3,383,290,919.87/83,267.60
  6. Step 6: Final answer
    x = 40,631.54

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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.