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Finding the Fourth Proportional to 200,556.72, 276,759.72 and 119,936.52

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Solution

The fourth proportional to 200,556.72, 276,759.72 and 119,936.52 is: 165,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,556.72 : 276,759.72 = 119,936.52 : x
  2. Step 2: Convert to fraction form
    200,556.72/276,759.72 = 119,936.52/x
  3. Step 3: Cross multiply
    200,556.72x = 276,759.72 × 119,936.52
  4. Step 4: Simplify right side
    200,556.72x = 33,193,597,692.97
  5. Step 5: Solve for x
    x = 33,193,597,692.97/200,556.72
  6. Step 6: Final answer
    x = 165,507.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.