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Finding the Fourth Proportional to 339,163.38, 468,022.05 and 188,248.50

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Solution

The fourth proportional to 339,163.38, 468,022.05 and 188,248.50 is: 259,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,163.38 : 468,022.05 = 188,248.50 : x
  2. Step 2: Convert to fraction form
    339,163.38/468,022.05 = 188,248.50/x
  3. Step 3: Cross multiply
    339,163.38x = 468,022.05 × 188,248.50
  4. Step 4: Simplify right side
    339,163.38x = 88,104,448,879.43
  5. Step 5: Solve for x
    x = 88,104,448,879.43/339,163.38
  6. Step 6: Final answer
    x = 259,769.93

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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.