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Finding the Fourth Proportional to 167,326.24, 251,020.16 and 55,012.80

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Solution

The fourth proportional to 167,326.24, 251,020.16 and 55,012.80 is: 82,529.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,326.24 : 251,020.16 = 55,012.80 : x
  2. Step 2: Convert to fraction form
    167,326.24/251,020.16 = 55,012.80/x
  3. Step 3: Cross multiply
    167,326.24x = 251,020.16 × 55,012.80
  4. Step 4: Simplify right side
    167,326.24x = 13,809,321,858.05
  5. Step 5: Solve for x
    x = 13,809,321,858.05/167,326.24
  6. Step 6: Final answer
    x = 82,529.33

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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.