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Finding the Fourth Proportional to 271,375.78, 374,253.57 and 169,410.64

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Solution

The fourth proportional to 271,375.78, 374,253.57 and 169,410.64 is: 233,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,375.78 : 374,253.57 = 169,410.64 : x
  2. Step 2: Convert to fraction form
    271,375.78/374,253.57 = 169,410.64/x
  3. Step 3: Cross multiply
    271,375.78x = 374,253.57 × 169,410.64
  4. Step 4: Simplify right side
    271,375.78x = 63,402,536,815.98
  5. Step 5: Solve for x
    x = 63,402,536,815.98/271,375.78
  6. Step 6: Final answer
    x = 233,633.73

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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.