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Finding the Fourth Proportional to 271,349.57, 407,086.36 and 93,856.43

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Solution

The fourth proportional to 271,349.57, 407,086.36 and 93,856.43 is: 140,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,349.57 : 407,086.36 = 93,856.43 : x
  2. Step 2: Convert to fraction form
    271,349.57/407,086.36 = 93,856.43/x
  3. Step 3: Cross multiply
    271,349.57x = 407,086.36 × 93,856.43
  4. Step 4: Simplify right side
    271,349.57x = 38,207,673,234.37
  5. Step 5: Solve for x
    x = 38,207,673,234.37/271,349.57
  6. Step 6: Final answer
    x = 140,806.09

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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.