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Finding the Fourth Proportional to 320,889.14, 481,327.22 and 110,522.42

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Solution

The fourth proportional to 320,889.14, 481,327.22 and 110,522.42 is: 165,781.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,889.14 : 481,327.22 = 110,522.42 : x
  2. Step 2: Convert to fraction form
    320,889.14/481,327.22 = 110,522.42/x
  3. Step 3: Cross multiply
    320,889.14x = 481,327.22 × 110,522.42
  4. Step 4: Simplify right side
    320,889.14x = 53,197,449,166.27
  5. Step 5: Solve for x
    x = 53,197,449,166.27/320,889.14
  6. Step 6: Final answer
    x = 165,781.39

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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.