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Finding the Fourth Proportional to 271,891.68, 375,213.04 and 158,692.32

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Solution

The fourth proportional to 271,891.68, 375,213.04 and 158,692.32 is: 218,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,891.68 : 375,213.04 = 158,692.32 : x
  2. Step 2: Convert to fraction form
    271,891.68/375,213.04 = 158,692.32/x
  3. Step 3: Cross multiply
    271,891.68x = 375,213.04 × 158,692.32
  4. Step 4: Simplify right side
    271,891.68x = 59,543,427,811.85
  5. Step 5: Solve for x
    x = 59,543,427,811.85/271,891.68
  6. Step 6: Final answer
    x = 218,996.87

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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.