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Finding the Fourth Proportional to 271,626.62, 407,839.82 and 151,918.11

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Solution

The fourth proportional to 271,626.62, 407,839.82 and 151,918.11 is: 228,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,626.62 : 407,839.82 = 151,918.11 : x
  2. Step 2: Convert to fraction form
    271,626.62/407,839.82 = 151,918.11/x
  3. Step 3: Cross multiply
    271,626.62x = 407,839.82 × 151,918.11
  4. Step 4: Simplify right side
    271,626.62x = 61,958,253,877.55
  5. Step 5: Solve for x
    x = 61,958,253,877.55/271,626.62
  6. Step 6: Final answer
    x = 228,100.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.