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Finding the Fourth Proportional to 223,540.20, 335,310.30 and 73,803.60

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Solution

The fourth proportional to 223,540.20, 335,310.30 and 73,803.60 is: 110,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,540.20 : 335,310.30 = 73,803.60 : x
  2. Step 2: Convert to fraction form
    223,540.20/335,310.30 = 73,803.60/x
  3. Step 3: Cross multiply
    223,540.20x = 335,310.30 × 73,803.60
  4. Step 4: Simplify right side
    223,540.20x = 24,747,107,257.08
  5. Step 5: Solve for x
    x = 24,747,107,257.08/223,540.20
  6. Step 6: Final answer
    x = 110,705.40

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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.