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Finding the Fourth Proportional to 271,058.30, 406,556.68 and 71,394.31

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Solution

The fourth proportional to 271,058.30, 406,556.68 and 71,394.31 is: 107,083.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,058.30 : 406,556.68 = 71,394.31 : x
  2. Step 2: Convert to fraction form
    271,058.30/406,556.68 = 71,394.31/x
  3. Step 3: Cross multiply
    271,058.30x = 406,556.68 × 71,394.31
  4. Step 4: Simplify right side
    271,058.30x = 29,025,833,644.49
  5. Step 5: Solve for x
    x = 29,025,833,644.49/271,058.30
  6. Step 6: Final answer
    x = 107,083.36

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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.