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Finding the Fourth Proportional to 181.36, 272.58 and 167.95

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Solution

The fourth proportional to 181.36, 272.58 and 167.95 is: 252.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.36 : 272.58 = 167.95 : x
  2. Step 2: Convert to fraction form
    181.36/272.58 = 167.95/x
  3. Step 3: Cross multiply
    181.36x = 272.58 × 167.95
  4. Step 4: Simplify right side
    181.36x = 45,779.81
  5. Step 5: Solve for x
    x = 45,779.81/181.36
  6. Step 6: Final answer
    x = 252.43

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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.