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Finding the Fourth Proportional to 271,787.77, 375,072.06 and 149,279.32

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Solution

The fourth proportional to 271,787.77, 375,072.06 and 149,279.32 is: 206,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,787.77 : 375,072.06 = 149,279.32 : x
  2. Step 2: Convert to fraction form
    271,787.77/375,072.06 = 149,279.32/x
  3. Step 3: Cross multiply
    271,787.77x = 375,072.06 × 149,279.32
  4. Step 4: Simplify right side
    271,787.77x = 55,990,502,067.80
  5. Step 5: Solve for x
    x = 55,990,502,067.80/271,787.77
  6. Step 6: Final answer
    x = 206,008.17

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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.