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Finding the Fourth Proportional to 220,801.41, 331,201.31 and 54,589.41

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Solution

The fourth proportional to 220,801.41, 331,201.31 and 54,589.41 is: 81,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,801.41 : 331,201.31 = 54,589.41 : x
  2. Step 2: Convert to fraction form
    220,801.41/331,201.31 = 54,589.41/x
  3. Step 3: Cross multiply
    220,801.41x = 331,201.31 × 54,589.41
  4. Step 4: Simplify right side
    220,801.41x = 18,080,083,831.18
  5. Step 5: Solve for x
    x = 18,080,083,831.18/220,801.41
  6. Step 6: Final answer
    x = 81,883.91

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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.