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Finding the Fourth Proportional to 164.63, 246.52 and 131.98

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Solution

The fourth proportional to 164.63, 246.52 and 131.98 is: 197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.63 : 246.52 = 131.98 : x
  2. Step 2: Convert to fraction form
    164.63/246.52 = 131.98/x
  3. Step 3: Cross multiply
    164.63x = 246.52 × 131.98
  4. Step 4: Simplify right side
    164.63x = 32,535.71
  5. Step 5: Solve for x
    x = 32,535.71/164.63
  6. Step 6: Final answer
    x = 197.63

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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.