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Finding the Fourth Proportional to 236.10, 325.48 and 162.30

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Solution

The fourth proportional to 236.10, 325.48 and 162.30 is: 223.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.10 : 325.48 = 162.30 : x
  2. Step 2: Convert to fraction form
    236.10/325.48 = 162.30/x
  3. Step 3: Cross multiply
    236.10x = 325.48 × 162.30
  4. Step 4: Simplify right side
    236.10x = 52,825.40
  5. Step 5: Solve for x
    x = 52,825.40/236.10
  6. Step 6: Final answer
    x = 223.74

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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.