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Finding the Fourth Proportional to 71,067.76, 106,485 and 24,295.12

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Solution

The fourth proportional to 71,067.76, 106,485 and 24,295.12 is: 36,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,067.76 : 106,485 = 24,295.12 : x
  2. Step 2: Convert to fraction form
    71,067.76/106,485 = 24,295.12/x
  3. Step 3: Cross multiply
    71,067.76x = 106,485 × 24,295.12
  4. Step 4: Simplify right side
    71,067.76x = 2,587,065,853.20
  5. Step 5: Solve for x
    x = 2,587,065,853.20/71,067.76
  6. Step 6: Final answer
    x = 36,402.81

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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.