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Finding the Fourth Proportional to 273.09, 376.76 and 162.53

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Solution

The fourth proportional to 273.09, 376.76 and 162.53 is: 224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.09 : 376.76 = 162.53 : x
  2. Step 2: Convert to fraction form
    273.09/376.76 = 162.53/x
  3. Step 3: Cross multiply
    273.09x = 376.76 × 162.53
  4. Step 4: Simplify right side
    273.09x = 61,232.11
  5. Step 5: Solve for x
    x = 61,232.11/273.09
  6. Step 6: Final answer
    x = 224.22

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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.