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Finding the Fourth Proportional to 194.64, 292.37 and 164.27

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Solution

The fourth proportional to 194.64, 292.37 and 164.27 is: 246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.64 : 292.37 = 164.27 : x
  2. Step 2: Convert to fraction form
    194.64/292.37 = 164.27/x
  3. Step 3: Cross multiply
    194.64x = 292.37 × 164.27
  4. Step 4: Simplify right side
    194.64x = 48,025.34
  5. Step 5: Solve for x
    x = 48,025.34/194.64
  6. Step 6: Final answer
    x = 246.74

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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.