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Finding the Fourth Proportional to 272.93, 376.53 and 174.66

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Solution

The fourth proportional to 272.93, 376.53 and 174.66 is: 240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.93 : 376.53 = 174.66 : x
  2. Step 2: Convert to fraction form
    272.93/376.53 = 174.66/x
  3. Step 3: Cross multiply
    272.93x = 376.53 × 174.66
  4. Step 4: Simplify right side
    272.93x = 65,764.73
  5. Step 5: Solve for x
    x = 65,764.73/272.93
  6. Step 6: Final answer
    x = 240.96

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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.