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Finding the Fourth Proportional to 68,796.88, 103,205.59 and 24,419.92

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Solution

The fourth proportional to 68,796.88, 103,205.59 and 24,419.92 is: 36,633.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,796.88 : 103,205.59 = 24,419.92 : x
  2. Step 2: Convert to fraction form
    68,796.88/103,205.59 = 24,419.92/x
  3. Step 3: Cross multiply
    68,796.88x = 103,205.59 × 24,419.92
  4. Step 4: Simplify right side
    68,796.88x = 2,520,272,251.35
  5. Step 5: Solve for x
    x = 2,520,272,251.35/68,796.88
  6. Step 6: Final answer
    x = 36,633.53

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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.