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Finding the Fourth Proportional to 60,765.53, 91,180.31 and 31,183.37

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Solution

The fourth proportional to 60,765.53, 91,180.31 and 31,183.37 is: 46,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,765.53 : 91,180.31 = 31,183.37 : x
  2. Step 2: Convert to fraction form
    60,765.53/91,180.31 = 31,183.37/x
  3. Step 3: Cross multiply
    60,765.53x = 91,180.31 × 31,183.37
  4. Step 4: Simplify right side
    60,765.53x = 2,843,309,343.44
  5. Step 5: Solve for x
    x = 2,843,309,343.44/60,765.53
  6. Step 6: Final answer
    x = 46,791.48

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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.