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Finding the Fourth Proportional to 271,839.82, 375,138.97 and 150,992.36

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Solution

The fourth proportional to 271,839.82, 375,138.97 and 150,992.36 is: 208,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,839.82 : 375,138.97 = 150,992.36 : x
  2. Step 2: Convert to fraction form
    271,839.82/375,138.97 = 150,992.36/x
  3. Step 3: Cross multiply
    271,839.82x = 375,138.97 × 150,992.36
  4. Step 4: Simplify right side
    271,839.82x = 56,643,116,532.57
  5. Step 5: Solve for x
    x = 56,643,116,532.57/271,839.82
  6. Step 6: Final answer
    x = 208,369.46

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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.