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Finding the Fourth Proportional to 164.25, 246.36 and 64.08

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Solution

The fourth proportional to 164.25, 246.36 and 64.08 is: 96.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.25 : 246.36 = 64.08 : x
  2. Step 2: Convert to fraction form
    164.25/246.36 = 64.08/x
  3. Step 3: Cross multiply
    164.25x = 246.36 × 64.08
  4. Step 4: Simplify right side
    164.25x = 15,786.75
  5. Step 5: Solve for x
    x = 15,786.75/164.25
  6. Step 6: Final answer
    x = 96.11

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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.