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Finding the Fourth Proportional to 73,516.55, 110,238.87 and 30,813.95

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Solution

The fourth proportional to 73,516.55, 110,238.87 and 30,813.95 is: 46,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,516.55 : 110,238.87 = 30,813.95 : x
  2. Step 2: Convert to fraction form
    73,516.55/110,238.87 = 30,813.95/x
  3. Step 3: Cross multiply
    73,516.55x = 110,238.87 × 30,813.95
  4. Step 4: Simplify right side
    73,516.55x = 3,396,895,419.39
  5. Step 5: Solve for x
    x = 3,396,895,419.39/73,516.55
  6. Step 6: Final answer
    x = 46,205.86

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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.