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Finding the Fourth Proportional to 67,069.84, 100,542.21 and 22,665.54

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Solution

The fourth proportional to 67,069.84, 100,542.21 and 22,665.54 is: 33,977.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,069.84 : 100,542.21 = 22,665.54 : x
  2. Step 2: Convert to fraction form
    67,069.84/100,542.21 = 22,665.54/x
  3. Step 3: Cross multiply
    67,069.84x = 100,542.21 × 22,665.54
  4. Step 4: Simplify right side
    67,069.84x = 2,278,843,336.42
  5. Step 5: Solve for x
    x = 2,278,843,336.42/67,069.84
  6. Step 6: Final answer
    x = 33,977.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.