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Finding the Fourth Proportional to 273.12, 376.68 and 184.64

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Solution

The fourth proportional to 273.12, 376.68 and 184.64 is: 254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.12 : 376.68 = 184.64 : x
  2. Step 2: Convert to fraction form
    273.12/376.68 = 184.64/x
  3. Step 3: Cross multiply
    273.12x = 376.68 × 184.64
  4. Step 4: Simplify right side
    273.12x = 69,550.20
  5. Step 5: Solve for x
    x = 69,550.20/273.12
  6. Step 6: Final answer
    x = 254.65

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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.