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Finding the Fourth Proportional to 271,516.92, 374,687.60 and 150,655.61

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Solution

The fourth proportional to 271,516.92, 374,687.60 and 150,655.61 is: 207,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,516.92 : 374,687.60 = 150,655.61 : x
  2. Step 2: Convert to fraction form
    271,516.92/374,687.60 = 150,655.61/x
  3. Step 3: Cross multiply
    271,516.92x = 374,687.60 × 150,655.61
  4. Step 4: Simplify right side
    271,516.92x = 56,448,786,310.72
  5. Step 5: Solve for x
    x = 56,448,786,310.72/271,516.92
  6. Step 6: Final answer
    x = 207,901.54

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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.