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Finding the Fourth Proportional to 168,954.20, 253,431.30 and 163,049.30

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Solution

The fourth proportional to 168,954.20, 253,431.30 and 163,049.30 is: 244,573.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,954.20 : 253,431.30 = 163,049.30 : x
  2. Step 2: Convert to fraction form
    168,954.20/253,431.30 = 163,049.30/x
  3. Step 3: Cross multiply
    168,954.20x = 253,431.30 × 163,049.30
  4. Step 4: Simplify right side
    168,954.20x = 41,321,796,063.09
  5. Step 5: Solve for x
    x = 41,321,796,063.09/168,954.20
  6. Step 6: Final answer
    x = 244,573.95

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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.