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Finding the Fourth Proportional to 93.44, 129.23 and 73.96

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Solution

The fourth proportional to 93.44, 129.23 and 73.96 is: 102.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.44 : 129.23 = 73.96 : x
  2. Step 2: Convert to fraction form
    93.44/129.23 = 73.96/x
  3. Step 3: Cross multiply
    93.44x = 129.23 × 73.96
  4. Step 4: Simplify right side
    93.44x = 9,557.95
  5. Step 5: Solve for x
    x = 9,557.95/93.44
  6. Step 6: Final answer
    x = 102.29

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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.