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Finding the Fourth Proportional to 164.52, 225.54 and 162.63

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Solution

The fourth proportional to 164.52, 225.54 and 162.63 is: 222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.52 : 225.54 = 162.63 : x
  2. Step 2: Convert to fraction form
    164.52/225.54 = 162.63/x
  3. Step 3: Cross multiply
    164.52x = 225.54 × 162.63
  4. Step 4: Simplify right side
    164.52x = 36,679.57
  5. Step 5: Solve for x
    x = 36,679.57/164.52
  6. Step 6: Final answer
    x = 222.95

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.