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Finding the Fourth Proportional to 293,843.21, 440,930.88 and 125,347.61

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Solution

The fourth proportional to 293,843.21, 440,930.88 and 125,347.61 is: 188,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,843.21 : 440,930.88 = 125,347.61 : x
  2. Step 2: Convert to fraction form
    293,843.21/440,930.88 = 125,347.61/x
  3. Step 3: Cross multiply
    293,843.21x = 440,930.88 × 125,347.61
  4. Step 4: Simplify right side
    293,843.21x = 55,269,633,085.52
  5. Step 5: Solve for x
    x = 55,269,633,085.52/293,843.21
  6. Step 6: Final answer
    x = 188,092.26

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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.