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Finding the Fourth Proportional to 168,578.64, 232,645.20 and 96,958.56

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Solution

The fourth proportional to 168,578.64, 232,645.20 and 96,958.56 is: 133,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,578.64 : 232,645.20 = 96,958.56 : x
  2. Step 2: Convert to fraction form
    168,578.64/232,645.20 = 96,958.56/x
  3. Step 3: Cross multiply
    168,578.64x = 232,645.20 × 96,958.56
  4. Step 4: Simplify right side
    168,578.64x = 22,556,943,582.91
  5. Step 5: Solve for x
    x = 22,556,943,582.91/168,578.64
  6. Step 6: Final answer
    x = 133,806.65

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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.