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Finding the Fourth Proportional to 67,163.86, 100,724.04 and 22,175.11

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Solution

The fourth proportional to 67,163.86, 100,724.04 and 22,175.11 is: 33,255.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,163.86 : 100,724.04 = 22,175.11 : x
  2. Step 2: Convert to fraction form
    67,163.86/100,724.04 = 22,175.11/x
  3. Step 3: Cross multiply
    67,163.86x = 100,724.04 × 22,175.11
  4. Step 4: Simplify right side
    67,163.86x = 2,233,566,666.64
  5. Step 5: Solve for x
    x = 2,233,566,666.64/67,163.86
  6. Step 6: Final answer
    x = 33,255.48

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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.