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Finding the Fourth Proportional to 97.32, 145.26 and 94.26

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Solution

The fourth proportional to 97.32, 145.26 and 94.26 is: 140.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.32 : 145.26 = 94.26 : x
  2. Step 2: Convert to fraction form
    97.32/145.26 = 94.26/x
  3. Step 3: Cross multiply
    97.32x = 145.26 × 94.26
  4. Step 4: Simplify right side
    97.32x = 13,692.21
  5. Step 5: Solve for x
    x = 13,692.21/97.32
  6. Step 6: Final answer
    x = 140.69

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.