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Finding the Fourth Proportional to 223,559.28, 335,372.25 and 73,815.39

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Solution

The fourth proportional to 223,559.28, 335,372.25 and 73,815.39 is: 110,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,559.28 : 335,372.25 = 73,815.39 : x
  2. Step 2: Convert to fraction form
    223,559.28/335,372.25 = 73,815.39/x
  3. Step 3: Cross multiply
    223,559.28x = 335,372.25 × 73,815.39
  4. Step 4: Simplify right side
    223,559.28x = 24,755,633,428.93
  5. Step 5: Solve for x
    x = 24,755,633,428.93/223,559.28
  6. Step 6: Final answer
    x = 110,734.09

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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.