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Finding the Fourth Proportional to 68,863.83, 103,074.27 and 35,538.49

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Solution

The fourth proportional to 68,863.83, 103,074.27 and 35,538.49 is: 53,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,863.83 : 103,074.27 = 35,538.49 : x
  2. Step 2: Convert to fraction form
    68,863.83/103,074.27 = 35,538.49/x
  3. Step 3: Cross multiply
    68,863.83x = 103,074.27 × 35,538.49
  4. Step 4: Simplify right side
    68,863.83x = 3,663,103,913.65
  5. Step 5: Solve for x
    x = 3,663,103,913.65/68,863.83
  6. Step 6: Final answer
    x = 53,193.44

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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.