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Finding the Fourth Proportional to 200,620.44, 276,800.22 and 158,046.84

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Solution

The fourth proportional to 200,620.44, 276,800.22 and 158,046.84 is: 218,060.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,620.44 : 276,800.22 = 158,046.84 : x
  2. Step 2: Convert to fraction form
    200,620.44/276,800.22 = 158,046.84/x
  3. Step 3: Cross multiply
    200,620.44x = 276,800.22 × 158,046.84
  4. Step 4: Simplify right side
    200,620.44x = 43,747,400,082.30
  5. Step 5: Solve for x
    x = 43,747,400,082.30/200,620.44
  6. Step 6: Final answer
    x = 218,060.53

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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.