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Finding the Fourth Proportional to 179,718.75, 269,578.13 and 55,059.75

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Solution

The fourth proportional to 179,718.75, 269,578.13 and 55,059.75 is: 82,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,718.75 : 269,578.13 = 55,059.75 : x
  2. Step 2: Convert to fraction form
    179,718.75/269,578.13 = 55,059.75/x
  3. Step 3: Cross multiply
    179,718.75x = 269,578.13 × 55,059.75
  4. Step 4: Simplify right side
    179,718.75x = 14,842,904,167.97
  5. Step 5: Solve for x
    x = 14,842,904,167.97/179,718.75
  6. Step 6: Final answer
    x = 82,589.63

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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.