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Finding the Fourth Proportional to 164.64, 227.01 and 133.47

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Solution

The fourth proportional to 164.64, 227.01 and 133.47 is: 184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.64 : 227.01 = 133.47 : x
  2. Step 2: Convert to fraction form
    164.64/227.01 = 133.47/x
  3. Step 3: Cross multiply
    164.64x = 227.01 × 133.47
  4. Step 4: Simplify right side
    164.64x = 30,299.02
  5. Step 5: Solve for x
    x = 30,299.02/164.64
  6. Step 6: Final answer
    x = 184.03

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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.