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Finding the Fourth Proportional to 195.44, 269.74 and 162.64

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Solution

The fourth proportional to 195.44, 269.74 and 162.64 is: 224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.44 : 269.74 = 162.64 : x
  2. Step 2: Convert to fraction form
    195.44/269.74 = 162.64/x
  3. Step 3: Cross multiply
    195.44x = 269.74 × 162.64
  4. Step 4: Simplify right side
    195.44x = 43,870.51
  5. Step 5: Solve for x
    x = 43,870.51/195.44
  6. Step 6: Final answer
    x = 224.47

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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.