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Finding the Fourth Proportional to 273.72, 410.68 and 164.10

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Solution

The fourth proportional to 273.72, 410.68 and 164.10 is: 246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.72 : 410.68 = 164.10 : x
  2. Step 2: Convert to fraction form
    273.72/410.68 = 164.10/x
  3. Step 3: Cross multiply
    273.72x = 410.68 × 164.10
  4. Step 4: Simplify right side
    273.72x = 67,392.59
  5. Step 5: Solve for x
    x = 67,392.59/273.72
  6. Step 6: Final answer
    x = 246.21

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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.