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Finding the Fourth Proportional to 323,954.22, 485,927.82 and 110,720.10

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Solution

The fourth proportional to 323,954.22, 485,927.82 and 110,720.10 is: 166,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,954.22 : 485,927.82 = 110,720.10 : x
  2. Step 2: Convert to fraction form
    323,954.22/485,927.82 = 110,720.10/x
  3. Step 3: Cross multiply
    323,954.22x = 485,927.82 × 110,720.10
  4. Step 4: Simplify right side
    323,954.22x = 53,801,976,823.18
  5. Step 5: Solve for x
    x = 53,801,976,823.18/323,954.22
  6. Step 6: Final answer
    x = 166,078.95

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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.