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Finding the Fourth Proportional to 167,408.87, 251,118.57 and 60,814.49

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Solution

The fourth proportional to 167,408.87, 251,118.57 and 60,814.49 is: 91,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,408.87 : 251,118.57 = 60,814.49 : x
  2. Step 2: Convert to fraction form
    167,408.87/251,118.57 = 60,814.49/x
  3. Step 3: Cross multiply
    167,408.87x = 251,118.57 × 60,814.49
  4. Step 4: Simplify right side
    167,408.87x = 15,271,647,764.08
  5. Step 5: Solve for x
    x = 15,271,647,764.08/167,408.87
  6. Step 6: Final answer
    x = 91,223.65

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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.