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Finding the Fourth Proportional to 134.96, 185.94 and 93.44

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Solution

The fourth proportional to 134.96, 185.94 and 93.44 is: 128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.96 : 185.94 = 93.44 : x
  2. Step 2: Convert to fraction form
    134.96/185.94 = 93.44/x
  3. Step 3: Cross multiply
    134.96x = 185.94 × 93.44
  4. Step 4: Simplify right side
    134.96x = 17,374.23
  5. Step 5: Solve for x
    x = 17,374.23/134.96
  6. Step 6: Final answer
    x = 128.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.