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Finding the Fourth Proportional to 214,940.20, 322,194.03 and 88,672.54

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Solution

The fourth proportional to 214,940.20, 322,194.03 and 88,672.54 is: 132,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,940.20 : 322,194.03 = 88,672.54 : x
  2. Step 2: Convert to fraction form
    214,940.20/322,194.03 = 88,672.54/x
  3. Step 3: Cross multiply
    214,940.20x = 322,194.03 × 88,672.54
  4. Step 4: Simplify right side
    214,940.20x = 28,569,763,012.94
  5. Step 5: Solve for x
    x = 28,569,763,012.94/214,940.20
  6. Step 6: Final answer
    x = 132,919.59

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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.