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Finding the Fourth Proportional to 320,891.14, 481,330.22 and 110,524.42

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Solution

The fourth proportional to 320,891.14, 481,330.22 and 110,524.42 is: 165,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,891.14 : 481,330.22 = 110,524.42 : x
  2. Step 2: Convert to fraction form
    320,891.14/481,330.22 = 110,524.42/x
  3. Step 3: Cross multiply
    320,891.14x = 481,330.22 × 110,524.42
  4. Step 4: Simplify right side
    320,891.14x = 53,198,743,393.97
  5. Step 5: Solve for x
    x = 53,198,743,393.97/320,891.14
  6. Step 6: Final answer
    x = 165,784.39

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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.