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Finding the Fourth Proportional to 92.44, 127.52 and 61.34

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Solution

The fourth proportional to 92.44, 127.52 and 61.34 is: 84.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.44 : 127.52 = 61.34 : x
  2. Step 2: Convert to fraction form
    92.44/127.52 = 61.34/x
  3. Step 3: Cross multiply
    92.44x = 127.52 × 61.34
  4. Step 4: Simplify right side
    92.44x = 7,822.08
  5. Step 5: Solve for x
    x = 7,822.08/92.44
  6. Step 6: Final answer
    x = 84.62

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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.