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Finding the Fourth Proportional to 68,797.26, 103,195.44 and 18,873.45

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Solution

The fourth proportional to 68,797.26, 103,195.44 and 18,873.45 is: 28,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,797.26 : 103,195.44 = 18,873.45 : x
  2. Step 2: Convert to fraction form
    68,797.26/103,195.44 = 18,873.45/x
  3. Step 3: Cross multiply
    68,797.26x = 103,195.44 × 18,873.45
  4. Step 4: Simplify right side
    68,797.26x = 1,947,653,977.07
  5. Step 5: Solve for x
    x = 1,947,653,977.07/68,797.26
  6. Step 6: Final answer
    x = 28,310.05

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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.