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Finding the Fourth Proportional to 331,786.80, 497,680.20 and 110,170.80

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Solution

The fourth proportional to 331,786.80, 497,680.20 and 110,170.80 is: 165,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,786.80 : 497,680.20 = 110,170.80 : x
  2. Step 2: Convert to fraction form
    331,786.80/497,680.20 = 110,170.80/x
  3. Step 3: Cross multiply
    331,786.80x = 497,680.20 × 110,170.80
  4. Step 4: Simplify right side
    331,786.80x = 54,829,825,778.16
  5. Step 5: Solve for x
    x = 54,829,825,778.16/331,786.80
  6. Step 6: Final answer
    x = 165,256.20

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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.