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Finding the Fourth Proportional to 167,967.60, 251,659.80 and 108,772.80

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Solution

The fourth proportional to 167,967.60, 251,659.80 and 108,772.80 is: 162,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,967.60 : 251,659.80 = 108,772.80 : x
  2. Step 2: Convert to fraction form
    167,967.60/251,659.80 = 108,772.80/x
  3. Step 3: Cross multiply
    167,967.60x = 251,659.80 × 108,772.80
  4. Step 4: Simplify right side
    167,967.60x = 27,373,741,093.44
  5. Step 5: Solve for x
    x = 27,373,741,093.44/167,967.60
  6. Step 6: Final answer
    x = 162,970.37

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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.