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Finding the Fourth Proportional to 167,481.58, 251,247.48 and 49,138.96

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Solution

The fourth proportional to 167,481.58, 251,247.48 and 49,138.96 is: 73,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,481.58 : 251,247.48 = 49,138.96 : x
  2. Step 2: Convert to fraction form
    167,481.58/251,247.48 = 49,138.96/x
  3. Step 3: Cross multiply
    167,481.58x = 251,247.48 × 49,138.96
  4. Step 4: Simplify right side
    167,481.58x = 12,346,039,869.82
  5. Step 5: Solve for x
    x = 12,346,039,869.82/167,481.58
  6. Step 6: Final answer
    x = 73,715.81

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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.