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Finding the Fourth Proportional to 251.13, 346.16 and 177.33

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Solution

The fourth proportional to 251.13, 346.16 and 177.33 is: 244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.13 : 346.16 = 177.33 : x
  2. Step 2: Convert to fraction form
    251.13/346.16 = 177.33/x
  3. Step 3: Cross multiply
    251.13x = 346.16 × 177.33
  4. Step 4: Simplify right side
    251.13x = 61,383.67
  5. Step 5: Solve for x
    x = 61,383.67/251.13
  6. Step 6: Final answer
    x = 244.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.