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Finding the Fourth Proportional to 168,703.80, 253,058.40 and 44,044.80

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Solution

The fourth proportional to 168,703.80, 253,058.40 and 44,044.80 is: 66,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,703.80 : 253,058.40 = 44,044.80 : x
  2. Step 2: Convert to fraction form
    168,703.80/253,058.40 = 44,044.80/x
  3. Step 3: Cross multiply
    168,703.80x = 253,058.40 × 44,044.80
  4. Step 4: Simplify right side
    168,703.80x = 11,145,906,616.32
  5. Step 5: Solve for x
    x = 11,145,906,616.32/168,703.80
  6. Step 6: Final answer
    x = 66,067.90

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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.