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Finding the Fourth Proportional to 222,629.26, 333,745.68 and 80,442.82

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Solution

The fourth proportional to 222,629.26, 333,745.68 and 80,442.82 is: 120,592.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,629.26 : 333,745.68 = 80,442.82 : x
  2. Step 2: Convert to fraction form
    222,629.26/333,745.68 = 80,442.82/x
  3. Step 3: Cross multiply
    222,629.26x = 333,745.68 × 80,442.82
  4. Step 4: Simplify right side
    222,629.26x = 26,847,443,662.02
  5. Step 5: Solve for x
    x = 26,847,443,662.02/222,629.26
  6. Step 6: Final answer
    x = 120,592.61

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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.