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Finding the Fourth Proportional to 168,608.46, 232,788.15 and 108,205.14

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Solution

The fourth proportional to 168,608.46, 232,788.15 and 108,205.14 is: 149,392.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,608.46 : 232,788.15 = 108,205.14 : x
  2. Step 2: Convert to fraction form
    168,608.46/232,788.15 = 108,205.14/x
  3. Step 3: Cross multiply
    168,608.46x = 232,788.15 × 108,205.14
  4. Step 4: Simplify right side
    168,608.46x = 25,188,874,361.09
  5. Step 5: Solve for x
    x = 25,188,874,361.09/168,608.46
  6. Step 6: Final answer
    x = 149,392.71

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1.5x scale

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.