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Finding the Fourth Proportional to 235,067.84, 324,348 and 139,604.48

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Solution

The fourth proportional to 235,067.84, 324,348 and 139,604.48 is: 192,627.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,067.84 : 324,348 = 139,604.48 : x
  2. Step 2: Convert to fraction form
    235,067.84/324,348 = 139,604.48/x
  3. Step 3: Cross multiply
    235,067.84x = 324,348 × 139,604.48
  4. Step 4: Simplify right side
    235,067.84x = 45,280,433,879.04
  5. Step 5: Solve for x
    x = 45,280,433,879.04/235,067.84
  6. Step 6: Final answer
    x = 192,627.09

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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.