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Finding the Fourth Proportional to 274,631.82, 411,906.69 and 94,745.58

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Solution

The fourth proportional to 274,631.82, 411,906.69 and 94,745.58 is: 142,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,631.82 : 411,906.69 = 94,745.58 : x
  2. Step 2: Convert to fraction form
    274,631.82/411,906.69 = 94,745.58/x
  3. Step 3: Cross multiply
    274,631.82x = 411,906.69 × 94,745.58
  4. Step 4: Simplify right side
    274,631.82x = 39,026,338,249.93
  5. Step 5: Solve for x
    x = 39,026,338,249.93/274,631.82
  6. Step 6: Final answer
    x = 142,104.21

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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.