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Finding the Fourth Proportional to 92.42, 127.42 and 59.62

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Solution

The fourth proportional to 92.42, 127.42 and 59.62 is: 82.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.42 : 127.42 = 59.62 : x
  2. Step 2: Convert to fraction form
    92.42/127.42 = 59.62/x
  3. Step 3: Cross multiply
    92.42x = 127.42 × 59.62
  4. Step 4: Simplify right side
    92.42x = 7,596.78
  5. Step 5: Solve for x
    x = 7,596.78/92.42
  6. Step 6: Final answer
    x = 82.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.