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Finding the Fourth Proportional to 232,611, 321,003.18 and 126,627

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Solution

The fourth proportional to 232,611, 321,003.18 and 126,627 is: 174,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,611 : 321,003.18 = 126,627 : x
  2. Step 2: Convert to fraction form
    232,611/321,003.18 = 126,627/x
  3. Step 3: Cross multiply
    232,611x = 321,003.18 × 126,627
  4. Step 4: Simplify right side
    232,611x = 40,647,669,673.86
  5. Step 5: Solve for x
    x = 40,647,669,673.86/232,611
  6. Step 6: Final answer
    x = 174,745.26

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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.