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Finding the Fourth Proportional to 93.85, 140.77 and 63.34

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Solution

The fourth proportional to 93.85, 140.77 and 63.34 is: 95.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.85 : 140.77 = 63.34 : x
  2. Step 2: Convert to fraction form
    93.85/140.77 = 63.34/x
  3. Step 3: Cross multiply
    93.85x = 140.77 × 63.34
  4. Step 4: Simplify right side
    93.85x = 8,916.10
  5. Step 5: Solve for x
    x = 8,916.10/93.85
  6. Step 6: Final answer
    x = 95.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.