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Finding the Fourth Proportional to 181.06, 272.03 and 116.08

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Solution

The fourth proportional to 181.06, 272.03 and 116.08 is: 174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.06 : 272.03 = 116.08 : x
  2. Step 2: Convert to fraction form
    181.06/272.03 = 116.08/x
  3. Step 3: Cross multiply
    181.06x = 272.03 × 116.08
  4. Step 4: Simplify right side
    181.06x = 31,575.98
  5. Step 5: Solve for x
    x = 31,575.98/181.06
  6. Step 6: Final answer
    x = 174.40

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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.