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Finding the Fourth Proportional to 249.14, 373.74 and 157.94

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Solution

The fourth proportional to 249.14, 373.74 and 157.94 is: 236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.14 : 373.74 = 157.94 : x
  2. Step 2: Convert to fraction form
    249.14/373.74 = 157.94/x
  3. Step 3: Cross multiply
    249.14x = 373.74 × 157.94
  4. Step 4: Simplify right side
    249.14x = 59,028.50
  5. Step 5: Solve for x
    x = 59,028.50/249.14
  6. Step 6: Final answer
    x = 236.93

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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.