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Finding the Fourth Proportional to 164, 246.09 and 95.66

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Solution

The fourth proportional to 164, 246.09 and 95.66 is: 143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164 : 246.09 = 95.66 : x
  2. Step 2: Convert to fraction form
    164/246.09 = 95.66/x
  3. Step 3: Cross multiply
    164x = 246.09 × 95.66
  4. Step 4: Simplify right side
    164x = 23,540.97
  5. Step 5: Solve for x
    x = 23,540.97/164
  6. Step 6: Final answer
    x = 143.54

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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.