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Finding the Fourth Proportional to 169.53, 233.91 and 134.83

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Solution

The fourth proportional to 169.53, 233.91 and 134.83 is: 186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.53 : 233.91 = 134.83 : x
  2. Step 2: Convert to fraction form
    169.53/233.91 = 134.83/x
  3. Step 3: Cross multiply
    169.53x = 233.91 × 134.83
  4. Step 4: Simplify right side
    169.53x = 31,538.09
  5. Step 5: Solve for x
    x = 31,538.09/169.53
  6. Step 6: Final answer
    x = 186.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.