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Finding the Fourth Proportional to 68,919.71, 103,393.94 and 24,546.29

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Solution

The fourth proportional to 68,919.71, 103,393.94 and 24,546.29 is: 36,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,919.71 : 103,393.94 = 24,546.29 : x
  2. Step 2: Convert to fraction form
    68,919.71/103,393.94 = 24,546.29/x
  3. Step 3: Cross multiply
    68,919.71x = 103,393.94 × 24,546.29
  4. Step 4: Simplify right side
    68,919.71x = 2,537,936,995.78
  5. Step 5: Solve for x
    x = 2,537,936,995.78/68,919.71
  6. Step 6: Final answer
    x = 36,824.55

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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.