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Finding the Fourth Proportional to 271,969.40, 408,099.90 and 114,213.80

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Solution

The fourth proportional to 271,969.40, 408,099.90 and 114,213.80 is: 171,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,969.40 : 408,099.90 = 114,213.80 : x
  2. Step 2: Convert to fraction form
    271,969.40/408,099.90 = 114,213.80/x
  3. Step 3: Cross multiply
    271,969.40x = 408,099.90 × 114,213.80
  4. Step 4: Simplify right side
    271,969.40x = 46,610,640,358.62
  5. Step 5: Solve for x
    x = 46,610,640,358.62/271,969.40
  6. Step 6: Final answer
    x = 171,381.93

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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.