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Finding the Fourth Proportional to 181.68, 250.56 and 116.16

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Solution

The fourth proportional to 181.68, 250.56 and 116.16 is: 160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.68 : 250.56 = 116.16 : x
  2. Step 2: Convert to fraction form
    181.68/250.56 = 116.16/x
  3. Step 3: Cross multiply
    181.68x = 250.56 × 116.16
  4. Step 4: Simplify right side
    181.68x = 29,105.05
  5. Step 5: Solve for x
    x = 29,105.05/181.68
  6. Step 6: Final answer
    x = 160.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.