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Finding the Fourth Proportional to 272.98, 376.57 and 162.26

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Solution

The fourth proportional to 272.98, 376.57 and 162.26 is: 223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    272.98 : 376.57 = 162.26 : x
  2. Step 2: Convert to fraction form
    272.98/376.57 = 162.26/x
  3. Step 3: Cross multiply
    272.98x = 376.57 × 162.26
  4. Step 4: Simplify right side
    272.98x = 61,102.25
  5. Step 5: Solve for x
    x = 61,102.25/272.98
  6. Step 6: Final answer
    x = 223.83

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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.