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Finding the Fourth Proportional to 204,249.88, 281,860.79 and 113,603.89

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Solution

The fourth proportional to 204,249.88, 281,860.79 and 113,603.89 is: 156,771.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,249.88 : 281,860.79 = 113,603.89 : x
  2. Step 2: Convert to fraction form
    204,249.88/281,860.79 = 113,603.89/x
  3. Step 3: Cross multiply
    204,249.88x = 281,860.79 × 113,603.89
  4. Step 4: Simplify right side
    204,249.88x = 32,020,482,550.54
  5. Step 5: Solve for x
    x = 32,020,482,550.54/204,249.88
  6. Step 6: Final answer
    x = 156,771.12

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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.