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Finding the Fourth Proportional to 223,408.89, 335,042.26 and 73,621.26

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Solution

The fourth proportional to 223,408.89, 335,042.26 and 73,621.26 is: 110,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,408.89 : 335,042.26 = 73,621.26 : x
  2. Step 2: Convert to fraction form
    223,408.89/335,042.26 = 73,621.26/x
  3. Step 3: Cross multiply
    223,408.89x = 335,042.26 × 73,621.26
  4. Step 4: Simplify right side
    223,408.89x = 24,666,233,150.39
  5. Step 5: Solve for x
    x = 24,666,233,150.39/223,408.89
  6. Step 6: Final answer
    x = 110,408.47

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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.