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Finding the Fourth Proportional to 164.01, 246.01 and 42.27

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Solution

The fourth proportional to 164.01, 246.01 and 42.27 is: 63.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.01 : 246.01 = 42.27 : x
  2. Step 2: Convert to fraction form
    164.01/246.01 = 42.27/x
  3. Step 3: Cross multiply
    164.01x = 246.01 × 42.27
  4. Step 4: Simplify right side
    164.01x = 10,398.84
  5. Step 5: Solve for x
    x = 10,398.84/164.01
  6. Step 6: Final answer
    x = 63.40

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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.