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Finding the Fourth Proportional to 236.53, 354.52 and 113.06

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Solution

The fourth proportional to 236.53, 354.52 and 113.06 is: 169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.53 : 354.52 = 113.06 : x
  2. Step 2: Convert to fraction form
    236.53/354.52 = 113.06/x
  3. Step 3: Cross multiply
    236.53x = 354.52 × 113.06
  4. Step 4: Simplify right side
    236.53x = 40,082.03
  5. Step 5: Solve for x
    x = 40,082.03/236.53
  6. Step 6: Final answer
    x = 169.46

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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.