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Finding the Fourth Proportional to 252,960.56, 349,099.09 and 145,546.97

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Solution

The fourth proportional to 252,960.56, 349,099.09 and 145,546.97 is: 200,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,960.56 : 349,099.09 = 145,546.97 : x
  2. Step 2: Convert to fraction form
    252,960.56/349,099.09 = 145,546.97/x
  3. Step 3: Cross multiply
    252,960.56x = 349,099.09 × 145,546.97
  4. Step 4: Simplify right side
    252,960.56x = 50,810,313,979.02
  5. Step 5: Solve for x
    x = 50,810,313,979.02/252,960.56
  6. Step 6: Final answer
    x = 200,862.59

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1.5x scale

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.