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Finding the Fourth Proportional to 68,799.78, 103,209.96 and 24,422.82

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Solution

The fourth proportional to 68,799.78, 103,209.96 and 24,422.82 is: 36,637.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,799.78 : 103,209.96 = 24,422.82 : x
  2. Step 2: Convert to fraction form
    68,799.78/103,209.96 = 24,422.82/x
  3. Step 3: Cross multiply
    68,799.78x = 103,209.96 × 24,422.82
  4. Step 4: Simplify right side
    68,799.78x = 2,520,677,979.84
  5. Step 5: Solve for x
    x = 2,520,677,979.84/68,799.78
  6. Step 6: Final answer
    x = 36,637.88

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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.