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Finding the Fourth Proportional to 164, 226.32 and 98.52

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Solution

The fourth proportional to 164, 226.32 and 98.52 is: 135.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    164 : 226.32 = 98.52 : x
  2. Step 2: Convert to fraction form
    164/226.32 = 98.52/x
  3. Step 3: Cross multiply
    164x = 226.32 × 98.52
  4. Step 4: Simplify right side
    164x = 22,297.05
  5. Step 5: Solve for x
    x = 22,297.05/164
  6. Step 6: Final answer
    x = 135.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.