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Finding the Fourth Proportional to 92.33, 127.33 and 83.22

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Solution

The fourth proportional to 92.33, 127.33 and 83.22 is: 114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.33 : 127.33 = 83.22 : x
  2. Step 2: Convert to fraction form
    92.33/127.33 = 83.22/x
  3. Step 3: Cross multiply
    92.33x = 127.33 × 83.22
  4. Step 4: Simplify right side
    92.33x = 10,596.40
  5. Step 5: Solve for x
    x = 10,596.40/92.33
  6. Step 6: Final answer
    x = 114.77

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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.