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Finding the Fourth Proportional to 63,161.67, 87,163.14 and 34,867.37

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Solution

The fourth proportional to 63,161.67, 87,163.14 and 34,867.37 is: 48,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,161.67 : 87,163.14 = 34,867.37 : x
  2. Step 2: Convert to fraction form
    63,161.67/87,163.14 = 34,867.37/x
  3. Step 3: Cross multiply
    63,161.67x = 87,163.14 × 34,867.37
  4. Step 4: Simplify right side
    63,161.67x = 3,039,149,016.93
  5. Step 5: Solve for x
    x = 3,039,149,016.93/63,161.67
  6. Step 6: Final answer
    x = 48,116.98

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Why These Related Problems?

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