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Finding the Fourth Proportional to 188,431.98, 282,691.68 and 62,067.69

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Solution

The fourth proportional to 188,431.98, 282,691.68 and 62,067.69 is: 93,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,431.98 : 282,691.68 = 62,067.69 : x
  2. Step 2: Convert to fraction form
    188,431.98/282,691.68 = 62,067.69/x
  3. Step 3: Cross multiply
    188,431.98x = 282,691.68 × 62,067.69
  4. Step 4: Simplify right side
    188,431.98x = 17,546,019,327.07
  5. Step 5: Solve for x
    x = 17,546,019,327.07/188,431.98
  6. Step 6: Final answer
    x = 93,115.93

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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.