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Finding the Fourth Proportional to 164, 246.02 and 163.42

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Solution

The fourth proportional to 164, 246.02 and 163.42 is: 245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    164 : 246.02 = 163.42 : x
  2. Step 2: Convert to fraction form
    164/246.02 = 163.42/x
  3. Step 3: Cross multiply
    164x = 246.02 × 163.42
  4. Step 4: Simplify right side
    164x = 40,204.59
  5. Step 5: Solve for x
    x = 40,204.59/164
  6. Step 6: Final answer
    x = 245.15

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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.