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Finding the Fourth Proportional to 271,122.80, 374,149.50 and 150,271.88

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Solution

The fourth proportional to 271,122.80, 374,149.50 and 150,271.88 is: 207,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,122.80 : 374,149.50 = 150,271.88 : x
  2. Step 2: Convert to fraction form
    271,122.80/374,149.50 = 150,271.88/x
  3. Step 3: Cross multiply
    271,122.80x = 374,149.50 × 150,271.88
  4. Step 4: Simplify right side
    271,122.80x = 56,224,148,766.06
  5. Step 5: Solve for x
    x = 56,224,148,766.06/271,122.80
  6. Step 6: Final answer
    x = 207,375.21

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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.