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Finding the Fourth Proportional to 164.27, 246.37 and 48.69

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Solution

The fourth proportional to 164.27, 246.37 and 48.69 is: 73.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.27 : 246.37 = 48.69 : x
  2. Step 2: Convert to fraction form
    164.27/246.37 = 48.69/x
  3. Step 3: Cross multiply
    164.27x = 246.37 × 48.69
  4. Step 4: Simplify right side
    164.27x = 11,995.76
  5. Step 5: Solve for x
    x = 11,995.76/164.27
  6. Step 6: Final answer
    x = 73.02

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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.