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Finding the Fourth Proportional to 89.37, 134.06 and 41.25

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Solution

The fourth proportional to 89.37, 134.06 and 41.25 is: 61.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.37 : 134.06 = 41.25 : x
  2. Step 2: Convert to fraction form
    89.37/134.06 = 41.25/x
  3. Step 3: Cross multiply
    89.37x = 134.06 × 41.25
  4. Step 4: Simplify right side
    89.37x = 5,529.77
  5. Step 5: Solve for x
    x = 5,529.77/89.37
  6. Step 6: Final answer
    x = 61.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.