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Finding the Fourth Proportional to 101,919.57, 152,891.51 and 49,291.24

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Solution

The fourth proportional to 101,919.57, 152,891.51 and 49,291.24 is: 73,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,919.57 : 152,891.51 = 49,291.24 : x
  2. Step 2: Convert to fraction form
    101,919.57/152,891.51 = 49,291.24/x
  3. Step 3: Cross multiply
    101,919.57x = 152,891.51 × 49,291.24
  4. Step 4: Simplify right side
    101,919.57x = 7,536,211,287.30
  5. Step 5: Solve for x
    x = 7,536,211,287.30/101,919.57
  6. Step 6: Final answer
    x = 73,942.73

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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.