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Finding the Fourth Proportional to 192,550.39, 288,734.45 and 112,611.49

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Solution

The fourth proportional to 192,550.39, 288,734.45 and 112,611.49 is: 168,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,550.39 : 288,734.45 = 112,611.49 : x
  2. Step 2: Convert to fraction form
    192,550.39/288,734.45 = 112,611.49/x
  3. Step 3: Cross multiply
    192,550.39x = 288,734.45 × 112,611.49
  4. Step 4: Simplify right side
    192,550.39x = 32,514,815,343.94
  5. Step 5: Solve for x
    x = 32,514,815,343.94/192,550.39
  6. Step 6: Final answer
    x = 168,863.93

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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.