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Finding the Fourth Proportional to 104.53, 144.29 and 93.59

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Solution

The fourth proportional to 104.53, 144.29 and 93.59 is: 129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.53 : 144.29 = 93.59 : x
  2. Step 2: Convert to fraction form
    104.53/144.29 = 93.59/x
  3. Step 3: Cross multiply
    104.53x = 144.29 × 93.59
  4. Step 4: Simplify right side
    104.53x = 13,504.10
  5. Step 5: Solve for x
    x = 13,504.10/104.53
  6. Step 6: Final answer
    x = 129.19

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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.