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Finding the Fourth Proportional to 271,161.94, 374,217.24 and 156,397.90

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Solution

The fourth proportional to 271,161.94, 374,217.24 and 156,397.90 is: 215,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,161.94 : 374,217.24 = 156,397.90 : x
  2. Step 2: Convert to fraction form
    271,161.94/374,217.24 = 156,397.90/x
  3. Step 3: Cross multiply
    271,161.94x = 374,217.24 × 156,397.90
  4. Step 4: Simplify right side
    271,161.94x = 58,526,790,479.80
  5. Step 5: Solve for x
    x = 58,526,790,479.80/271,161.94
  6. Step 6: Final answer
    x = 215,837.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.