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Finding the Fourth Proportional to 273.17, 376.98 and 162.70

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Solution

The fourth proportional to 273.17, 376.98 and 162.70 is: 224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.17 : 376.98 = 162.70 : x
  2. Step 2: Convert to fraction form
    273.17/376.98 = 162.70/x
  3. Step 3: Cross multiply
    273.17x = 376.98 × 162.70
  4. Step 4: Simplify right side
    273.17x = 61,333.83
  5. Step 5: Solve for x
    x = 61,333.83/273.17
  6. Step 6: Final answer
    x = 224.53

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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.