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Finding the Fourth Proportional to 241.48, 333.10 and 153

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Solution

The fourth proportional to 241.48, 333.10 and 153 is: 211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.48 : 333.10 = 153 : x
  2. Step 2: Convert to fraction form
    241.48/333.10 = 153/x
  3. Step 3: Cross multiply
    241.48x = 333.10 × 153
  4. Step 4: Simplify right side
    241.48x = 50,964.30
  5. Step 5: Solve for x
    x = 50,964.30/241.48
  6. Step 6: Final answer
    x = 211.05

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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.