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Finding the Fourth Proportional to 241.24, 332.46 and 172.12

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Solution

The fourth proportional to 241.24, 332.46 and 172.12 is: 237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.24 : 332.46 = 172.12 : x
  2. Step 2: Convert to fraction form
    241.24/332.46 = 172.12/x
  3. Step 3: Cross multiply
    241.24x = 332.46 × 172.12
  4. Step 4: Simplify right side
    241.24x = 57,223.02
  5. Step 5: Solve for x
    x = 57,223.02/241.24
  6. Step 6: Final answer
    x = 237.20

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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.