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Finding the Fourth Proportional to 263,049.39, 363,043.71 and 148,351.62

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Solution

The fourth proportional to 263,049.39, 363,043.71 and 148,351.62 is: 204,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,049.39 : 363,043.71 = 148,351.62 : x
  2. Step 2: Convert to fraction form
    263,049.39/363,043.71 = 148,351.62/x
  3. Step 3: Cross multiply
    263,049.39x = 363,043.71 × 148,351.62
  4. Step 4: Simplify right side
    263,049.39x = 53,858,122,509.31
  5. Step 5: Solve for x
    x = 53,858,122,509.31/263,049.39
  6. Step 6: Final answer
    x = 204,745.29

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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.