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Finding the Fourth Proportional to 273.18, 376.70 and 174.82

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Solution

The fourth proportional to 273.18, 376.70 and 174.82 is: 241.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.18 : 376.70 = 174.82 : x
  2. Step 2: Convert to fraction form
    273.18/376.70 = 174.82/x
  3. Step 3: Cross multiply
    273.18x = 376.70 × 174.82
  4. Step 4: Simplify right side
    273.18x = 65,854.69
  5. Step 5: Solve for x
    x = 65,854.69/273.18
  6. Step 6: Final answer
    x = 241.07

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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.