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Finding the Fourth Proportional to 167,493.95, 251,099.63 and 72,652.73

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Solution

The fourth proportional to 167,493.95, 251,099.63 and 72,652.73 is: 108,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,493.95 : 251,099.63 = 72,652.73 : x
  2. Step 2: Convert to fraction form
    167,493.95/251,099.63 = 72,652.73/x
  3. Step 3: Cross multiply
    167,493.95x = 251,099.63 × 72,652.73
  4. Step 4: Simplify right side
    167,493.95x = 18,243,073,885.98
  5. Step 5: Solve for x
    x = 18,243,073,885.98/167,493.95
  6. Step 6: Final answer
    x = 108,917.81

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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.