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Finding the Fourth Proportional to 181.95, 252.42 and 175.26

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Solution

The fourth proportional to 181.95, 252.42 and 175.26 is: 243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181.95 : 252.42 = 175.26 : x
  2. Step 2: Convert to fraction form
    181.95/252.42 = 175.26/x
  3. Step 3: Cross multiply
    181.95x = 252.42 × 175.26
  4. Step 4: Simplify right side
    181.95x = 44,239.42
  5. Step 5: Solve for x
    x = 44,239.42/181.95
  6. Step 6: Final answer
    x = 243.15

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.