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Finding the Fourth Proportional to 182.94, 273.94 and 157.42

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Solution

The fourth proportional to 182.94, 273.94 and 157.42 is: 235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.94 : 273.94 = 157.42 : x
  2. Step 2: Convert to fraction form
    182.94/273.94 = 157.42/x
  3. Step 3: Cross multiply
    182.94x = 273.94 × 157.42
  4. Step 4: Simplify right side
    182.94x = 43,123.63
  5. Step 5: Solve for x
    x = 43,123.63/182.94
  6. Step 6: Final answer
    x = 235.73

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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.