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Finding the Fourth Proportional to 222,745.70, 334,118.55 and 82,486.10

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Solution

The fourth proportional to 222,745.70, 334,118.55 and 82,486.10 is: 123,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,745.70 : 334,118.55 = 82,486.10 : x
  2. Step 2: Convert to fraction form
    222,745.70/334,118.55 = 82,486.10/x
  3. Step 3: Cross multiply
    222,745.70x = 334,118.55 × 82,486.10
  4. Step 4: Simplify right side
    222,745.70x = 27,560,136,127.16
  5. Step 5: Solve for x
    x = 27,560,136,127.16/222,745.70
  6. Step 6: Final answer
    x = 123,729.15

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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.