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Finding the Fourth Proportional to 171,863.54, 237,200.18 and 100,243.56

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Solution

The fourth proportional to 171,863.54, 237,200.18 and 100,243.56 is: 138,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,863.54 : 237,200.18 = 100,243.56 : x
  2. Step 2: Convert to fraction form
    171,863.54/237,200.18 = 100,243.56/x
  3. Step 3: Cross multiply
    171,863.54x = 237,200.18 × 100,243.56
  4. Step 4: Simplify right side
    171,863.54x = 23,777,790,475.84
  5. Step 5: Solve for x
    x = 23,777,790,475.84/171,863.54
  6. Step 6: Final answer
    x = 138,352.73

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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.