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Finding the Fourth Proportional to 181,272.80, 271,909.20 and 179,960.60

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Solution

The fourth proportional to 181,272.80, 271,909.20 and 179,960.60 is: 269,940.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,272.80 : 271,909.20 = 179,960.60 : x
  2. Step 2: Convert to fraction form
    181,272.80/271,909.20 = 179,960.60/x
  3. Step 3: Cross multiply
    181,272.80x = 271,909.20 × 179,960.60
  4. Step 4: Simplify right side
    181,272.80x = 48,932,942,777.52
  5. Step 5: Solve for x
    x = 48,932,942,777.52/181,272.80
  6. Step 6: Final answer
    x = 269,940.90

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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.