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Finding the Fourth Proportional to 72,093.54, 108,150.60 and 22,177.80

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Solution

The fourth proportional to 72,093.54, 108,150.60 and 22,177.80 is: 33,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,093.54 : 108,150.60 = 22,177.80 : x
  2. Step 2: Convert to fraction form
    72,093.54/108,150.60 = 22,177.80/x
  3. Step 3: Cross multiply
    72,093.54x = 108,150.60 × 22,177.80
  4. Step 4: Simplify right side
    72,093.54x = 2,398,542,376.68
  5. Step 5: Solve for x
    x = 2,398,542,376.68/72,093.54
  6. Step 6: Final answer
    x = 33,269.87

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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.