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Finding the Fourth Proportional to 222,481.16, 333,676.78 and 80,322.12

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Solution

The fourth proportional to 222,481.16, 333,676.78 and 80,322.12 is: 120,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,481.16 : 333,676.78 = 80,322.12 : x
  2. Step 2: Convert to fraction form
    222,481.16/333,676.78 = 80,322.12/x
  3. Step 3: Cross multiply
    222,481.16x = 333,676.78 × 80,322.12
  4. Step 4: Simplify right side
    222,481.16x = 26,801,626,364.37
  5. Step 5: Solve for x
    x = 26,801,626,364.37/222,481.16
  6. Step 6: Final answer
    x = 120,466.95

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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.