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Finding the Fourth Proportional to 69,481.91, 104,362.33 and 41,456.65

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Solution

The fourth proportional to 69,481.91, 104,362.33 and 41,456.65 is: 62,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,481.91 : 104,362.33 = 41,456.65 : x
  2. Step 2: Convert to fraction form
    69,481.91/104,362.33 = 41,456.65/x
  3. Step 3: Cross multiply
    69,481.91x = 104,362.33 × 41,456.65
  4. Step 4: Simplify right side
    69,481.91x = 4,326,512,587.99
  5. Step 5: Solve for x
    x = 4,326,512,587.99/69,481.91
  6. Step 6: Final answer
    x = 62,268.19

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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.