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Finding the Fourth Proportional to 272.55, 376.01 and 174.24

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Solution

The fourth proportional to 272.55, 376.01 and 174.24 is: 240.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.55 : 376.01 = 174.24 : x
  2. Step 2: Convert to fraction form
    272.55/376.01 = 174.24/x
  3. Step 3: Cross multiply
    272.55x = 376.01 × 174.24
  4. Step 4: Simplify right side
    272.55x = 65,515.11
  5. Step 5: Solve for x
    x = 65,515.11/272.55
  6. Step 6: Final answer
    x = 240.38

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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.