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Finding the Fourth Proportional to 168,998.65, 253,481.55 and 44,339.65

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Solution

The fourth proportional to 168,998.65, 253,481.55 and 44,339.65 is: 66,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,998.65 : 253,481.55 = 44,339.65 : x
  2. Step 2: Convert to fraction form
    168,998.65/253,481.55 = 44,339.65/x
  3. Step 3: Cross multiply
    168,998.65x = 253,481.55 × 44,339.65
  4. Step 4: Simplify right side
    168,998.65x = 11,239,284,083.72
  5. Step 5: Solve for x
    x = 11,239,284,083.72/168,998.65
  6. Step 6: Final answer
    x = 66,505.17

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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.