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Finding the Fourth Proportional to 164.27, 246.34 and 61.51

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Solution

The fourth proportional to 164.27, 246.34 and 61.51 is: 92.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.27 : 246.34 = 61.51 : x
  2. Step 2: Convert to fraction form
    164.27/246.34 = 61.51/x
  3. Step 3: Cross multiply
    164.27x = 246.34 × 61.51
  4. Step 4: Simplify right side
    164.27x = 15,152.37
  5. Step 5: Solve for x
    x = 15,152.37/164.27
  6. Step 6: Final answer
    x = 92.24

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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.