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Finding the Fourth Proportional to 167,843.60, 251,766.02 and 68,005.72

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Solution

The fourth proportional to 167,843.60, 251,766.02 and 68,005.72 is: 102,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,843.60 : 251,766.02 = 68,005.72 : x
  2. Step 2: Convert to fraction form
    167,843.60/251,766.02 = 68,005.72/x
  3. Step 3: Cross multiply
    167,843.60x = 251,766.02 × 68,005.72
  4. Step 4: Simplify right side
    167,843.60x = 17,121,529,461.63
  5. Step 5: Solve for x
    x = 17,121,529,461.63/167,843.60
  6. Step 6: Final answer
    x = 102,008.83

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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.