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Finding the Fourth Proportional to 235.33, 353.30 and 181.26

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Solution

The fourth proportional to 235.33, 353.30 and 181.26 is: 272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.33 : 353.30 = 181.26 : x
  2. Step 2: Convert to fraction form
    235.33/353.30 = 181.26/x
  3. Step 3: Cross multiply
    235.33x = 353.30 × 181.26
  4. Step 4: Simplify right side
    235.33x = 64,039.16
  5. Step 5: Solve for x
    x = 64,039.16/235.33
  6. Step 6: Final answer
    x = 272.12

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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.