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Finding the Fourth Proportional to 199,568.97, 299,194.56 and 115,233.57

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Solution

The fourth proportional to 199,568.97, 299,194.56 and 115,233.57 is: 172,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,568.97 : 299,194.56 = 115,233.57 : x
  2. Step 2: Convert to fraction form
    199,568.97/299,194.56 = 115,233.57/x
  3. Step 3: Cross multiply
    199,568.97x = 299,194.56 × 115,233.57
  4. Step 4: Simplify right side
    199,568.97x = 34,477,257,273.38
  5. Step 5: Solve for x
    x = 34,477,257,273.38/199,568.97
  6. Step 6: Final answer
    x = 172,758.61

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1.5x scale

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.