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Finding the Fourth Proportional to 167,663.67, 251,474.06 and 55,316.09

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Solution

The fourth proportional to 167,663.67, 251,474.06 and 55,316.09 is: 82,967.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,663.67 : 251,474.06 = 55,316.09 : x
  2. Step 2: Convert to fraction form
    167,663.67/251,474.06 = 55,316.09/x
  3. Step 3: Cross multiply
    167,663.67x = 251,474.06 × 55,316.09
  4. Step 4: Simplify right side
    167,663.67x = 13,910,560,616.55
  5. Step 5: Solve for x
    x = 13,910,560,616.55/167,663.67
  6. Step 6: Final answer
    x = 82,967.05

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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.