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Finding the Fourth Proportional to 168,264, 232,207.20 and 108,751.68

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Solution

The fourth proportional to 168,264, 232,207.20 and 108,751.68 is: 150,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,264 : 232,207.20 = 108,751.68 : x
  2. Step 2: Convert to fraction form
    168,264/232,207.20 = 108,751.68/x
  3. Step 3: Cross multiply
    168,264x = 232,207.20 × 108,751.68
  4. Step 4: Simplify right side
    168,264x = 25,252,923,108.10
  5. Step 5: Solve for x
    x = 25,252,923,108.10/168,264
  6. Step 6: Final answer
    x = 150,079.18

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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.