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Finding the Fourth Proportional to 73,120.44, 109,657.98 and 26,367.24

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Solution

The fourth proportional to 73,120.44, 109,657.98 and 26,367.24 is: 39,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,120.44 : 109,657.98 = 26,367.24 : x
  2. Step 2: Convert to fraction form
    73,120.44/109,657.98 = 26,367.24/x
  3. Step 3: Cross multiply
    73,120.44x = 109,657.98 × 26,367.24
  4. Step 4: Simplify right side
    73,120.44x = 2,891,378,276.58
  5. Step 5: Solve for x
    x = 2,891,378,276.58/73,120.44
  6. Step 6: Final answer
    x = 39,542.68

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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.