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Finding the Fourth Proportional to 181.15, 271.73 and 59.42

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Solution

The fourth proportional to 181.15, 271.73 and 59.42 is: 89.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.15 : 271.73 = 59.42 : x
  2. Step 2: Convert to fraction form
    181.15/271.73 = 59.42/x
  3. Step 3: Cross multiply
    181.15x = 271.73 × 59.42
  4. Step 4: Simplify right side
    181.15x = 16,147.02
  5. Step 5: Solve for x
    x = 16,147.02/181.15
  6. Step 6: Final answer
    x = 89.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.