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Finding the Fourth Proportional to 272.22, 375.53 and 174.03

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Solution

The fourth proportional to 272.22, 375.53 and 174.03 is: 240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.22 : 375.53 = 174.03 : x
  2. Step 2: Convert to fraction form
    272.22/375.53 = 174.03/x
  3. Step 3: Cross multiply
    272.22x = 375.53 × 174.03
  4. Step 4: Simplify right side
    272.22x = 65,352.62
  5. Step 5: Solve for x
    x = 65,352.62/272.22
  6. Step 6: Final answer
    x = 240.07

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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.