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Finding the Fourth Proportional to 181,188.30, 271,505.34 and 75,949.86

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Solution

The fourth proportional to 181,188.30, 271,505.34 and 75,949.86 is: 113,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,188.30 : 271,505.34 = 75,949.86 : x
  2. Step 2: Convert to fraction form
    181,188.30/271,505.34 = 75,949.86/x
  3. Step 3: Cross multiply
    181,188.30x = 271,505.34 × 75,949.86
  4. Step 4: Simplify right side
    181,188.30x = 20,620,792,562.25
  5. Step 5: Solve for x
    x = 20,620,792,562.25/181,188.30
  6. Step 6: Final answer
    x = 113,808.63

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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.