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Finding the Fourth Proportional to 236.58, 354.51 and 113.04

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Solution

The fourth proportional to 236.58, 354.51 and 113.04 is: 169.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.58 : 354.51 = 113.04 : x
  2. Step 2: Convert to fraction form
    236.58/354.51 = 113.04/x
  3. Step 3: Cross multiply
    236.58x = 354.51 × 113.04
  4. Step 4: Simplify right side
    236.58x = 40,073.81
  5. Step 5: Solve for x
    x = 40,073.81/236.58
  6. Step 6: Final answer
    x = 169.39

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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.