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Finding the Fourth Proportional to 167,456.80, 251,112.30 and 55,093.60

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Solution

The fourth proportional to 167,456.80, 251,112.30 and 55,093.60 is: 82,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,456.80 : 251,112.30 = 55,093.60 : x
  2. Step 2: Convert to fraction form
    167,456.80/251,112.30 = 55,093.60/x
  3. Step 3: Cross multiply
    167,456.80x = 251,112.30 × 55,093.60
  4. Step 4: Simplify right side
    167,456.80x = 13,834,680,611.28
  5. Step 5: Solve for x
    x = 13,834,680,611.28/167,456.80
  6. Step 6: Final answer
    x = 82,616.42

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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.