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Finding the Fourth Proportional to 273.20, 376.98 and 162.63

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Solution

The fourth proportional to 273.20, 376.98 and 162.63 is: 224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.20 : 376.98 = 162.63 : x
  2. Step 2: Convert to fraction form
    273.20/376.98 = 162.63/x
  3. Step 3: Cross multiply
    273.20x = 376.98 × 162.63
  4. Step 4: Simplify right side
    273.20x = 61,308.26
  5. Step 5: Solve for x
    x = 61,308.26/273.20
  6. Step 6: Final answer
    x = 224.41

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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.