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Finding the Fourth Proportional to 181.59, 272.44 and 59.94

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Solution

The fourth proportional to 181.59, 272.44 and 59.94 is: 89.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.59 : 272.44 = 59.94 : x
  2. Step 2: Convert to fraction form
    181.59/272.44 = 59.94/x
  3. Step 3: Cross multiply
    181.59x = 272.44 × 59.94
  4. Step 4: Simplify right side
    181.59x = 16,330.05
  5. Step 5: Solve for x
    x = 16,330.05/181.59
  6. Step 6: Final answer
    x = 89.93

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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.