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Finding the Fourth Proportional to 68,469.65, 94,608.83 and 52,690.44

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Solution

The fourth proportional to 68,469.65, 94,608.83 and 52,690.44 is: 72,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,469.65 : 94,608.83 = 52,690.44 : x
  2. Step 2: Convert to fraction form
    68,469.65/94,608.83 = 52,690.44/x
  3. Step 3: Cross multiply
    68,469.65x = 94,608.83 × 52,690.44
  4. Step 4: Simplify right side
    68,469.65x = 4,984,981,012.31
  5. Step 5: Solve for x
    x = 4,984,981,012.31/68,469.65
  6. Step 6: Final answer
    x = 72,805.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.