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Finding the Fourth Proportional to 48,161.50, 66,462.87 and 31,394.50

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Solution

The fourth proportional to 48,161.50, 66,462.87 and 31,394.50 is: 43,324.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,161.50 : 66,462.87 = 31,394.50 : x
  2. Step 2: Convert to fraction form
    48,161.50/66,462.87 = 31,394.50/x
  3. Step 3: Cross multiply
    48,161.50x = 66,462.87 × 31,394.50
  4. Step 4: Simplify right side
    48,161.50x = 2,086,568,572.22
  5. Step 5: Solve for x
    x = 2,086,568,572.22/48,161.50
  6. Step 6: Final answer
    x = 43,324.41

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.