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Finding the Fourth Proportional to 182.88, 273.60 and 164.64

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Solution

The fourth proportional to 182.88, 273.60 and 164.64 is: 246.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.88 : 273.60 = 164.64 : x
  2. Step 2: Convert to fraction form
    182.88/273.60 = 164.64/x
  3. Step 3: Cross multiply
    182.88x = 273.60 × 164.64
  4. Step 4: Simplify right side
    182.88x = 45,045.50
  5. Step 5: Solve for x
    x = 45,045.50/182.88
  6. Step 6: Final answer
    x = 246.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.