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Finding the Fourth Proportional to 181.63, 272.50 and 94.94

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Solution

The fourth proportional to 181.63, 272.50 and 94.94 is: 142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.63 : 272.50 = 94.94 : x
  2. Step 2: Convert to fraction form
    181.63/272.50 = 94.94/x
  3. Step 3: Cross multiply
    181.63x = 272.50 × 94.94
  4. Step 4: Simplify right side
    181.63x = 25,871.15
  5. Step 5: Solve for x
    x = 25,871.15/181.63
  6. Step 6: Final answer
    x = 142.44

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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.