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Finding the Fourth Proportional to 181.52, 272.12 and 174.84

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Solution

The fourth proportional to 181.52, 272.12 and 174.84 is: 262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.52 : 272.12 = 174.84 : x
  2. Step 2: Convert to fraction form
    181.52/272.12 = 174.84/x
  3. Step 3: Cross multiply
    181.52x = 272.12 × 174.84
  4. Step 4: Simplify right side
    181.52x = 47,577.46
  5. Step 5: Solve for x
    x = 47,577.46/181.52
  6. Step 6: Final answer
    x = 262.11

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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.