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Finding the Fourth Proportional to 175,771.82, 263,305.08 and 80,869.79

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Solution

The fourth proportional to 175,771.82, 263,305.08 and 80,869.79 is: 121,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,771.82 : 263,305.08 = 80,869.79 : x
  2. Step 2: Convert to fraction form
    175,771.82/263,305.08 = 80,869.79/x
  3. Step 3: Cross multiply
    175,771.82x = 263,305.08 × 80,869.79
  4. Step 4: Simplify right side
    175,771.82x = 21,293,427,183.80
  5. Step 5: Solve for x
    x = 21,293,427,183.80/175,771.82
  6. Step 6: Final answer
    x = 121,142.44

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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.