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Finding the Fourth Proportional to 269,671.44, 372,144.06 and 148,813.80

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Solution

The fourth proportional to 269,671.44, 372,144.06 and 148,813.80 is: 205,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,671.44 : 372,144.06 = 148,813.80 : x
  2. Step 2: Convert to fraction form
    269,671.44/372,144.06 = 148,813.80/x
  3. Step 3: Cross multiply
    269,671.44x = 372,144.06 × 148,813.80
  4. Step 4: Simplify right side
    269,671.44x = 55,380,171,716.03
  5. Step 5: Solve for x
    x = 55,380,171,716.03/269,671.44
  6. Step 6: Final answer
    x = 205,361.65

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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.