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Finding the Fourth Proportional to 199,694.57, 275,614.09 and 118,019.48

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Solution

The fourth proportional to 199,694.57, 275,614.09 and 118,019.48 is: 162,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,694.57 : 275,614.09 = 118,019.48 : x
  2. Step 2: Convert to fraction form
    199,694.57/275,614.09 = 118,019.48/x
  3. Step 3: Cross multiply
    199,694.57x = 275,614.09 × 118,019.48
  4. Step 4: Simplify right side
    199,694.57x = 32,527,832,123.54
  5. Step 5: Solve for x
    x = 32,527,832,123.54/199,694.57
  6. Step 6: Final answer
    x = 162,887.92

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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.