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Finding the Fourth Proportional to 268.01, 369.72 and 174.74

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Solution

The fourth proportional to 268.01, 369.72 and 174.74 is: 241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.01 : 369.72 = 174.74 : x
  2. Step 2: Convert to fraction form
    268.01/369.72 = 174.74/x
  3. Step 3: Cross multiply
    268.01x = 369.72 × 174.74
  4. Step 4: Simplify right side
    268.01x = 64,604.87
  5. Step 5: Solve for x
    x = 64,604.87/268.01
  6. Step 6: Final answer
    x = 241.05

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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.