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Finding the Fourth Proportional to 236.00, 353.52 and 113.90

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Solution

The fourth proportional to 236.00, 353.52 and 113.90 is: 170.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.00 : 353.52 = 113.90 : x
  2. Step 2: Convert to fraction form
    236.00/353.52 = 113.90/x
  3. Step 3: Cross multiply
    236.00x = 353.52 × 113.90
  4. Step 4: Simplify right side
    236.00x = 40,264.16
  5. Step 5: Solve for x
    x = 40,264.16/236.00
  6. Step 6: Final answer
    x = 170.61

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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.