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Finding the Fourth Proportional to 135.46, 202.86 and 116.26

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Solution

The fourth proportional to 135.46, 202.86 and 116.26 is: 174.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.46 : 202.86 = 116.26 : x
  2. Step 2: Convert to fraction form
    135.46/202.86 = 116.26/x
  3. Step 3: Cross multiply
    135.46x = 202.86 × 116.26
  4. Step 4: Simplify right side
    135.46x = 23,584.50
  5. Step 5: Solve for x
    x = 23,584.50/135.46
  6. Step 6: Final answer
    x = 174.11

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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.