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Finding the Fourth Proportional to 181.26, 271.88 and 59.48

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Solution

The fourth proportional to 181.26, 271.88 and 59.48 is: 89.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.26 : 271.88 = 59.48 : x
  2. Step 2: Convert to fraction form
    181.26/271.88 = 59.48/x
  3. Step 3: Cross multiply
    181.26x = 271.88 × 59.48
  4. Step 4: Simplify right side
    181.26x = 16,172.70
  5. Step 5: Solve for x
    x = 16,172.70/181.26
  6. Step 6: Final answer
    x = 89.22

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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.