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Finding the Fourth Proportional to 168,500, 232,530 and 108,884

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Solution

The fourth proportional to 168,500, 232,530 and 108,884 is: 150,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,500 : 232,530 = 108,884 : x
  2. Step 2: Convert to fraction form
    168,500/232,530 = 108,884/x
  3. Step 3: Cross multiply
    168,500x = 232,530 × 108,884
  4. Step 4: Simplify right side
    168,500x = 25,318,796,520
  5. Step 5: Solve for x
    x = 25,318,796,520/168,500
  6. Step 6: Final answer
    x = 150,259.92

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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.