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Finding the Fourth Proportional to 134.22, 183.63 and 133.47

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Solution

The fourth proportional to 134.22, 183.63 and 133.47 is: 182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.22 : 183.63 = 133.47 : x
  2. Step 2: Convert to fraction form
    134.22/183.63 = 133.47/x
  3. Step 3: Cross multiply
    134.22x = 183.63 × 133.47
  4. Step 4: Simplify right side
    134.22x = 24,509.10
  5. Step 5: Solve for x
    x = 24,509.10/134.22
  6. Step 6: Final answer
    x = 182.60

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.