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Finding the Fourth Proportional to 133.58, 184.26 and 92.12

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Solution

The fourth proportional to 133.58, 184.26 and 92.12 is: 127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.58 : 184.26 = 92.12 : x
  2. Step 2: Convert to fraction form
    133.58/184.26 = 92.12/x
  3. Step 3: Cross multiply
    133.58x = 184.26 × 92.12
  4. Step 4: Simplify right side
    133.58x = 16,973.11
  5. Step 5: Solve for x
    x = 16,973.11/133.58
  6. Step 6: Final answer
    x = 127.06

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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.