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Finding the Fourth Proportional to 241.32, 333 and 154.02

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Solution

The fourth proportional to 241.32, 333 and 154.02 is: 212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.32 : 333 = 154.02 : x
  2. Step 2: Convert to fraction form
    241.32/333 = 154.02/x
  3. Step 3: Cross multiply
    241.32x = 333 × 154.02
  4. Step 4: Simplify right side
    241.32x = 51,288.66
  5. Step 5: Solve for x
    x = 51,288.66/241.32
  6. Step 6: Final answer
    x = 212.53

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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.