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Finding the Fourth Proportional to 181.96, 271.66 and 164.95

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Solution

The fourth proportional to 181.96, 271.66 and 164.95 is: 246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.96 : 271.66 = 164.95 : x
  2. Step 2: Convert to fraction form
    181.96/271.66 = 164.95/x
  3. Step 3: Cross multiply
    181.96x = 271.66 × 164.95
  4. Step 4: Simplify right side
    181.96x = 44,810.32
  5. Step 5: Solve for x
    x = 44,810.32/181.96
  6. Step 6: Final answer
    x = 246.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.