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Finding the Fourth Proportional to 73,467.80, 101,270.41 and 47,929.11

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Solution

The fourth proportional to 73,467.80, 101,270.41 and 47,929.11 is: 66,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,467.80 : 101,270.41 = 47,929.11 : x
  2. Step 2: Convert to fraction form
    73,467.80/101,270.41 = 47,929.11/x
  3. Step 3: Cross multiply
    73,467.80x = 101,270.41 × 47,929.11
  4. Step 4: Simplify right side
    73,467.80x = 4,853,800,620.64
  5. Step 5: Solve for x
    x = 4,853,800,620.64/73,467.80
  6. Step 6: Final answer
    x = 66,067.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.