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Finding the Fourth Proportional to 179,606.52, 269,409.78 and 79,743.24

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Solution

The fourth proportional to 179,606.52, 269,409.78 and 79,743.24 is: 119,614.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,606.52 : 269,409.78 = 79,743.24 : x
  2. Step 2: Convert to fraction form
    179,606.52/269,409.78 = 79,743.24/x
  3. Step 3: Cross multiply
    179,606.52x = 269,409.78 × 79,743.24
  4. Step 4: Simplify right side
    179,606.52x = 21,483,608,744.89
  5. Step 5: Solve for x
    x = 21,483,608,744.89/179,606.52
  6. Step 6: Final answer
    x = 119,614.86

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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.