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Finding the Fourth Proportional to 273,388.09, 409,885.30 and 167,989.27

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Solution

The fourth proportional to 273,388.09, 409,885.30 and 167,989.27 is: 251,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,388.09 : 409,885.30 = 167,989.27 : x
  2. Step 2: Convert to fraction form
    273,388.09/409,885.30 = 167,989.27/x
  3. Step 3: Cross multiply
    273,388.09x = 409,885.30 × 167,989.27
  4. Step 4: Simplify right side
    273,388.09x = 68,856,332,330.73
  5. Step 5: Solve for x
    x = 68,856,332,330.73/273,388.09
  6. Step 6: Final answer
    x = 251,862.96

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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.