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Finding the Fourth Proportional to 167,835.60, 251,754.03 and 67,997.70

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Solution

The fourth proportional to 167,835.60, 251,754.03 and 67,997.70 is: 101,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,835.60 : 251,754.03 = 67,997.70 : x
  2. Step 2: Convert to fraction form
    167,835.60/251,754.03 = 67,997.70/x
  3. Step 3: Cross multiply
    167,835.60x = 251,754.03 × 67,997.70
  4. Step 4: Simplify right side
    167,835.60x = 17,118,695,005.73
  5. Step 5: Solve for x
    x = 17,118,695,005.73/167,835.60
  6. Step 6: Final answer
    x = 101,996.81

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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.