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Finding the Fourth Proportional to 89.82, 123.88 and 60.26

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Solution

The fourth proportional to 89.82, 123.88 and 60.26 is: 83.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89.82 : 123.88 = 60.26 : x
  2. Step 2: Convert to fraction form
    89.82/123.88 = 60.26/x
  3. Step 3: Cross multiply
    89.82x = 123.88 × 60.26
  4. Step 4: Simplify right side
    89.82x = 7,465.01
  5. Step 5: Solve for x
    x = 7,465.01/89.82
  6. Step 6: Final answer
    x = 83.11

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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.