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Finding the Fourth Proportional to 179,908.94, 269,724.69 and 67,586.78

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Solution

The fourth proportional to 179,908.94, 269,724.69 and 67,586.78 is: 101,328.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,908.94 : 269,724.69 = 67,586.78 : x
  2. Step 2: Convert to fraction form
    179,908.94/269,724.69 = 67,586.78/x
  3. Step 3: Cross multiply
    179,908.94x = 269,724.69 × 67,586.78
  4. Step 4: Simplify right side
    179,908.94x = 18,229,821,934.97
  5. Step 5: Solve for x
    x = 18,229,821,934.97/179,908.94
  6. Step 6: Final answer
    x = 101,328.05

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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.