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Finding the Fourth Proportional to 241.33, 333.06 and 154

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Solution

The fourth proportional to 241.33, 333.06 and 154 is: 212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.33 : 333.06 = 154 : x
  2. Step 2: Convert to fraction form
    241.33/333.06 = 154/x
  3. Step 3: Cross multiply
    241.33x = 333.06 × 154
  4. Step 4: Simplify right side
    241.33x = 51,291.24
  5. Step 5: Solve for x
    x = 51,291.24/241.33
  6. Step 6: Final answer
    x = 212.54

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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.