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Finding the Fourth Proportional to 167,491.89, 251,187.87 and 55,151.37

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Solution

The fourth proportional to 167,491.89, 251,187.87 and 55,151.37 is: 82,710.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,491.89 : 251,187.87 = 55,151.37 : x
  2. Step 2: Convert to fraction form
    167,491.89/251,187.87 = 55,151.37/x
  3. Step 3: Cross multiply
    167,491.89x = 251,187.87 × 55,151.37
  4. Step 4: Simplify right side
    167,491.89x = 13,853,355,157.88
  5. Step 5: Solve for x
    x = 13,853,355,157.88/167,491.89
  6. Step 6: Final answer
    x = 82,710.60

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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.