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Finding the Fourth Proportional to 323,352.55, 485,103.93 and 110,122.28

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Solution

The fourth proportional to 323,352.55, 485,103.93 and 110,122.28 is: 165,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,352.55 : 485,103.93 = 110,122.28 : x
  2. Step 2: Convert to fraction form
    323,352.55/485,103.93 = 110,122.28/x
  3. Step 3: Cross multiply
    323,352.55x = 485,103.93 × 110,122.28
  4. Step 4: Simplify right side
    323,352.55x = 53,420,753,137.37
  5. Step 5: Solve for x
    x = 53,420,753,137.37/323,352.55
  6. Step 6: Final answer
    x = 165,209.01

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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.