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Finding the Fourth Proportional to 167,841.60, 251,763.03 and 68,003.70

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Solution

The fourth proportional to 167,841.60, 251,763.03 and 68,003.70 is: 102,005.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,841.60 : 251,763.03 = 68,003.70 : x
  2. Step 2: Convert to fraction form
    167,841.60/251,763.03 = 68,003.70/x
  3. Step 3: Cross multiply
    167,841.60x = 251,763.03 × 68,003.70
  4. Step 4: Simplify right side
    167,841.60x = 17,120,817,563.21
  5. Step 5: Solve for x
    x = 17,120,817,563.21/167,841.60
  6. Step 6: Final answer
    x = 102,005.81

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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.