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Finding the Fourth Proportional to 220,414.01, 330,344.30 and 119,208.03

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Solution

The fourth proportional to 220,414.01, 330,344.30 and 119,208.03 is: 178,662.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,414.01 : 330,344.30 = 119,208.03 : x
  2. Step 2: Convert to fraction form
    220,414.01/330,344.30 = 119,208.03/x
  3. Step 3: Cross multiply
    220,414.01x = 330,344.30 × 119,208.03
  4. Step 4: Simplify right side
    220,414.01x = 39,379,691,389.90
  5. Step 5: Solve for x
    x = 39,379,691,389.90/220,414.01
  6. Step 6: Final answer
    x = 178,662.38

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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.