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Finding the Fourth Proportional to 194,791.46, 268,811.13 and 108,745.46

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Solution

The fourth proportional to 194,791.46, 268,811.13 and 108,745.46 is: 150,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,791.46 : 268,811.13 = 108,745.46 : x
  2. Step 2: Convert to fraction form
    194,791.46/268,811.13 = 108,745.46/x
  3. Step 3: Cross multiply
    194,791.46x = 268,811.13 × 108,745.46
  4. Step 4: Simplify right side
    194,791.46x = 29,231,988,640.91
  5. Step 5: Solve for x
    x = 29,231,988,640.91/194,791.46
  6. Step 6: Final answer
    x = 150,068.13

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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.