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Finding the Fourth Proportional to 92.18, 127.25 and 59.02

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Solution

The fourth proportional to 92.18, 127.25 and 59.02 is: 81.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.18 : 127.25 = 59.02 : x
  2. Step 2: Convert to fraction form
    92.18/127.25 = 59.02/x
  3. Step 3: Cross multiply
    92.18x = 127.25 × 59.02
  4. Step 4: Simplify right side
    92.18x = 7,510.30
  5. Step 5: Solve for x
    x = 7,510.30/92.18
  6. Step 6: Final answer
    x = 81.47

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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.