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Finding the Fourth Proportional to 199,794.39, 275,721.67 and 119,268.65

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Solution

The fourth proportional to 199,794.39, 275,721.67 and 119,268.65 is: 164,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,794.39 : 275,721.67 = 119,268.65 : x
  2. Step 2: Convert to fraction form
    199,794.39/275,721.67 = 119,268.65/x
  3. Step 3: Cross multiply
    199,794.39x = 275,721.67 × 119,268.65
  4. Step 4: Simplify right side
    199,794.39x = 32,884,949,381.69
  5. Step 5: Solve for x
    x = 32,884,949,381.69/199,794.39
  6. Step 6: Final answer
    x = 164,593.96

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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.