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Finding the Fourth Proportional to 73,491.28, 110,165.64 and 29,103.28

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Solution

The fourth proportional to 73,491.28, 110,165.64 and 29,103.28 is: 43,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,491.28 : 110,165.64 = 29,103.28 : x
  2. Step 2: Convert to fraction form
    73,491.28/110,165.64 = 29,103.28/x
  3. Step 3: Cross multiply
    73,491.28x = 110,165.64 × 29,103.28
  4. Step 4: Simplify right side
    73,491.28x = 3,206,181,467.30
  5. Step 5: Solve for x
    x = 3,206,181,467.30/73,491.28
  6. Step 6: Final answer
    x = 43,626.69

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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.