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Finding the Fourth Proportional to 68,792.39, 103,198.83 and 24,415.42

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Solution

The fourth proportional to 68,792.39, 103,198.83 and 24,415.42 is: 36,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,792.39 : 103,198.83 = 24,415.42 : x
  2. Step 2: Convert to fraction form
    68,792.39/103,198.83 = 24,415.42/x
  3. Step 3: Cross multiply
    68,792.39x = 103,198.83 × 24,415.42
  4. Step 4: Simplify right side
    68,792.39x = 2,519,643,049.48
  5. Step 5: Solve for x
    x = 2,519,643,049.48/68,792.39
  6. Step 6: Final answer
    x = 36,626.77

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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.