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Finding the Fourth Proportional to 181.94, 250.96 and 116.53

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Solution

The fourth proportional to 181.94, 250.96 and 116.53 is: 160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.94 : 250.96 = 116.53 : x
  2. Step 2: Convert to fraction form
    181.94/250.96 = 116.53/x
  3. Step 3: Cross multiply
    181.94x = 250.96 × 116.53
  4. Step 4: Simplify right side
    181.94x = 29,242.82
  5. Step 5: Solve for x
    x = 29,242.82/181.94
  6. Step 6: Final answer
    x = 160.73

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Why These Related Problems?

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