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Finding the Fourth Proportional to 192,653.69, 288,974.55 and 91,524.52

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Solution

The fourth proportional to 192,653.69, 288,974.55 and 91,524.52 is: 137,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,653.69 : 288,974.55 = 91,524.52 : x
  2. Step 2: Convert to fraction form
    192,653.69/288,974.55 = 91,524.52/x
  3. Step 3: Cross multiply
    192,653.69x = 288,974.55 × 91,524.52
  4. Step 4: Simplify right side
    192,653.69x = 26,448,257,170.58
  5. Step 5: Solve for x
    x = 26,448,257,170.58/192,653.69
  6. Step 6: Final answer
    x = 137,283.94

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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.