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Finding the Fourth Proportional to 194.86, 293.16 and 164.14

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Solution

The fourth proportional to 194.86, 293.16 and 164.14 is: 246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.86 : 293.16 = 164.14 : x
  2. Step 2: Convert to fraction form
    194.86/293.16 = 164.14/x
  3. Step 3: Cross multiply
    194.86x = 293.16 × 164.14
  4. Step 4: Simplify right side
    194.86x = 48,119.28
  5. Step 5: Solve for x
    x = 48,119.28/194.86
  6. Step 6: Final answer
    x = 246.94

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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.