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Finding the Fourth Proportional to 167,471.34, 251,244.87 and 55,162.81

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Solution

The fourth proportional to 167,471.34, 251,244.87 and 55,162.81 is: 82,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,471.34 : 251,244.87 = 55,162.81 : x
  2. Step 2: Convert to fraction form
    167,471.34/251,244.87 = 55,162.81/x
  3. Step 3: Cross multiply
    167,471.34x = 251,244.87 × 55,162.81
  4. Step 4: Simplify right side
    167,471.34x = 13,859,373,027.28
  5. Step 5: Solve for x
    x = 13,859,373,027.28/167,471.34
  6. Step 6: Final answer
    x = 82,756.69

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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.