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Finding the Fourth Proportional to 96.68, 134.04 and 93.34

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Solution

The fourth proportional to 96.68, 134.04 and 93.34 is: 129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.68 : 134.04 = 93.34 : x
  2. Step 2: Convert to fraction form
    96.68/134.04 = 93.34/x
  3. Step 3: Cross multiply
    96.68x = 134.04 × 93.34
  4. Step 4: Simplify right side
    96.68x = 12,511.29
  5. Step 5: Solve for x
    x = 12,511.29/96.68
  6. Step 6: Final answer
    x = 129.41

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.