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Finding the Fourth Proportional to 272.94, 376.68 and 162.44

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Solution

The fourth proportional to 272.94, 376.68 and 162.44 is: 224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.94 : 376.68 = 162.44 : x
  2. Step 2: Convert to fraction form
    272.94/376.68 = 162.44/x
  3. Step 3: Cross multiply
    272.94x = 376.68 × 162.44
  4. Step 4: Simplify right side
    272.94x = 61,187.90
  5. Step 5: Solve for x
    x = 61,187.90/272.94
  6. Step 6: Final answer
    x = 224.18

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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.