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Finding the Fourth Proportional to 119,481.99, 164,889.54 and 65,769.27

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Solution

The fourth proportional to 119,481.99, 164,889.54 and 65,769.27 is: 90,764.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,481.99 : 164,889.54 = 65,769.27 : x
  2. Step 2: Convert to fraction form
    119,481.99/164,889.54 = 65,769.27/x
  3. Step 3: Cross multiply
    119,481.99x = 164,889.54 × 65,769.27
  4. Step 4: Simplify right side
    119,481.99x = 10,844,664,676.44
  5. Step 5: Solve for x
    x = 10,844,664,676.44/119,481.99
  6. Step 6: Final answer
    x = 90,764.01

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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.