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Finding the Fourth Proportional to 92.44, 126.74 and 92.17

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Solution

The fourth proportional to 92.44, 126.74 and 92.17 is: 126.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.44 : 126.74 = 92.17 : x
  2. Step 2: Convert to fraction form
    92.44/126.74 = 92.17/x
  3. Step 3: Cross multiply
    92.44x = 126.74 × 92.17
  4. Step 4: Simplify right side
    92.44x = 11,681.63
  5. Step 5: Solve for x
    x = 11,681.63/92.44
  6. Step 6: Final answer
    x = 126.37

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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.