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Finding the Fourth Proportional to 181,229.81, 271,774.85 and 68,850.81

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Solution

The fourth proportional to 181,229.81, 271,774.85 and 68,850.81 is: 103,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,229.81 : 271,774.85 = 68,850.81 : x
  2. Step 2: Convert to fraction form
    181,229.81/271,774.85 = 68,850.81/x
  3. Step 3: Cross multiply
    181,229.81x = 271,774.85 × 68,850.81
  4. Step 4: Simplify right side
    181,229.81x = 18,711,918,215.87
  5. Step 5: Solve for x
    x = 18,711,918,215.87/181,229.81
  6. Step 6: Final answer
    x = 103,249.67

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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.