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Finding the Fourth Proportional to 183,481.28, 253,257.92 and 119,828.96

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Solution

The fourth proportional to 183,481.28, 253,257.92 and 119,828.96 is: 165,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,481.28 : 253,257.92 = 119,828.96 : x
  2. Step 2: Convert to fraction form
    183,481.28/253,257.92 = 119,828.96/x
  3. Step 3: Cross multiply
    183,481.28x = 253,257.92 × 119,828.96
  4. Step 4: Simplify right side
    183,481.28x = 30,347,633,165.36
  5. Step 5: Solve for x
    x = 30,347,633,165.36/183,481.28
  6. Step 6: Final answer
    x = 165,399.07

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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.