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Finding the Fourth Proportional to 164.48, 246.46 and 106.60

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Solution

The fourth proportional to 164.48, 246.46 and 106.60 is: 159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.48 : 246.46 = 106.60 : x
  2. Step 2: Convert to fraction form
    164.48/246.46 = 106.60/x
  3. Step 3: Cross multiply
    164.48x = 246.46 × 106.60
  4. Step 4: Simplify right side
    164.48x = 26,272.64
  5. Step 5: Solve for x
    x = 26,272.64/164.48
  6. Step 6: Final answer
    x = 159.73

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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.