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Finding the Fourth Proportional to 100,530.60, 150,791.10 and 33,964.20

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Solution

The fourth proportional to 100,530.60, 150,791.10 and 33,964.20 is: 50,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,530.60 : 150,791.10 = 33,964.20 : x
  2. Step 2: Convert to fraction form
    100,530.60/150,791.10 = 33,964.20/x
  3. Step 3: Cross multiply
    100,530.60x = 150,791.10 × 33,964.20
  4. Step 4: Simplify right side
    100,530.60x = 5,121,499,078.62
  5. Step 5: Solve for x
    x = 5,121,499,078.62/100,530.60
  6. Step 6: Final answer
    x = 50,944.68

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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.