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Finding the Fourth Proportional to 248,244.67, 342,578.33 and 135,067.42

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Solution

The fourth proportional to 248,244.67, 342,578.33 and 135,067.42 is: 186,393.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,244.67 : 342,578.33 = 135,067.42 : x
  2. Step 2: Convert to fraction form
    248,244.67/342,578.33 = 135,067.42/x
  3. Step 3: Cross multiply
    248,244.67x = 342,578.33 × 135,067.42
  4. Step 4: Simplify right side
    248,244.67x = 46,271,171,181.01
  5. Step 5: Solve for x
    x = 46,271,171,181.01/248,244.67
  6. Step 6: Final answer
    x = 186,393.41

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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.