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Finding the Fourth Proportional to 236.67, 354.73 and 106.53

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Solution

The fourth proportional to 236.67, 354.73 and 106.53 is: 159.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.67 : 354.73 = 106.53 : x
  2. Step 2: Convert to fraction form
    236.67/354.73 = 106.53/x
  3. Step 3: Cross multiply
    236.67x = 354.73 × 106.53
  4. Step 4: Simplify right side
    236.67x = 37,789.39
  5. Step 5: Solve for x
    x = 37,789.39/236.67
  6. Step 6: Final answer
    x = 159.67

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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.