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Finding the Fourth Proportional to 166,481.64, 229,764.96 and 93,898.44

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Solution

The fourth proportional to 166,481.64, 229,764.96 and 93,898.44 is: 129,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,481.64 : 229,764.96 = 93,898.44 : x
  2. Step 2: Convert to fraction form
    166,481.64/229,764.96 = 93,898.44/x
  3. Step 3: Cross multiply
    166,481.64x = 229,764.96 × 93,898.44
  4. Step 4: Simplify right side
    166,481.64x = 21,574,571,310.66
  5. Step 5: Solve for x
    x = 21,574,571,310.66/166,481.64
  6. Step 6: Final answer
    x = 129,591.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.