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Finding the Fourth Proportional to 67,262.11, 100,892.25 and 22,919.77

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Solution

The fourth proportional to 67,262.11, 100,892.25 and 22,919.77 is: 34,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,262.11 : 100,892.25 = 22,919.77 : x
  2. Step 2: Convert to fraction form
    67,262.11/100,892.25 = 22,919.77/x
  3. Step 3: Cross multiply
    67,262.11x = 100,892.25 × 22,919.77
  4. Step 4: Simplify right side
    67,262.11x = 2,312,427,164.78
  5. Step 5: Solve for x
    x = 2,312,427,164.78/67,262.11
  6. Step 6: Final answer
    x = 34,379.34

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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.