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Finding the Fourth Proportional to 188,703.80, 283,097.28 and 82,104.49

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Solution

The fourth proportional to 188,703.80, 283,097.28 and 82,104.49 is: 123,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,703.80 : 283,097.28 = 82,104.49 : x
  2. Step 2: Convert to fraction form
    188,703.80/283,097.28 = 82,104.49/x
  3. Step 3: Cross multiply
    188,703.80x = 283,097.28 × 82,104.49
  4. Step 4: Simplify right side
    188,703.80x = 23,243,557,589.53
  5. Step 5: Solve for x
    x = 23,243,557,589.53/188,703.80
  6. Step 6: Final answer
    x = 123,174.83

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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.