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Finding the Fourth Proportional to 263,832.72, 395,745.60 and 64,152.56

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Solution

The fourth proportional to 263,832.72, 395,745.60 and 64,152.56 is: 96,227.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,832.72 : 395,745.60 = 64,152.56 : x
  2. Step 2: Convert to fraction form
    263,832.72/395,745.60 = 64,152.56/x
  3. Step 3: Cross multiply
    263,832.72x = 395,745.60 × 64,152.56
  4. Step 4: Simplify right side
    263,832.72x = 25,388,093,348.74
  5. Step 5: Solve for x
    x = 25,388,093,348.74/263,832.72
  6. Step 6: Final answer
    x = 96,227.99

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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.