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Finding the Fourth Proportional to 271,965.40, 408,093.90 and 114,209.80

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Solution

The fourth proportional to 271,965.40, 408,093.90 and 114,209.80 is: 171,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,965.40 : 408,093.90 = 114,209.80 : x
  2. Step 2: Convert to fraction form
    271,965.40/408,093.90 = 114,209.80/x
  3. Step 3: Cross multiply
    271,965.40x = 408,093.90 × 114,209.80
  4. Step 4: Simplify right side
    271,965.40x = 46,608,322,700.22
  5. Step 5: Solve for x
    x = 46,608,322,700.22/271,965.40
  6. Step 6: Final answer
    x = 171,375.93

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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.