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Finding the Fourth Proportional to 133,729.88, 200,608.14 and 49,512.56

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Solution

The fourth proportional to 133,729.88, 200,608.14 and 49,512.56 is: 74,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,729.88 : 200,608.14 = 49,512.56 : x
  2. Step 2: Convert to fraction form
    133,729.88/200,608.14 = 49,512.56/x
  3. Step 3: Cross multiply
    133,729.88x = 200,608.14 × 49,512.56
  4. Step 4: Simplify right side
    133,729.88x = 9,932,622,568.24
  5. Step 5: Solve for x
    x = 9,932,622,568.24/133,729.88
  6. Step 6: Final answer
    x = 74,273.77

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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.