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Finding the Fourth Proportional to 135.33, 202.55 and 116.00

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Solution

The fourth proportional to 135.33, 202.55 and 116.00 is: 173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.33 : 202.55 = 116.00 : x
  2. Step 2: Convert to fraction form
    135.33/202.55 = 116.00/x
  3. Step 3: Cross multiply
    135.33x = 202.55 × 116.00
  4. Step 4: Simplify right side
    135.33x = 23,494.21
  5. Step 5: Solve for x
    x = 23,494.21/135.33
  6. Step 6: Final answer
    x = 173.61

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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.