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Finding the Fourth Proportional to 221,805.27, 332,803.23 and 72,091.44

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Solution

The fourth proportional to 221,805.27, 332,803.23 and 72,091.44 is: 108,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,805.27 : 332,803.23 = 72,091.44 : x
  2. Step 2: Convert to fraction form
    221,805.27/332,803.23 = 72,091.44/x
  3. Step 3: Cross multiply
    221,805.27x = 332,803.23 × 72,091.44
  4. Step 4: Simplify right side
    221,805.27x = 23,992,264,087.35
  5. Step 5: Solve for x
    x = 23,992,264,087.35/221,805.27
  6. Step 6: Final answer
    x = 108,168.14

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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.