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Finding the Fourth Proportional to 93.16, 139.73 and 29.03

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Solution

The fourth proportional to 93.16, 139.73 and 29.03 is: 43.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93.16 : 139.73 = 29.03 : x
  2. Step 2: Convert to fraction form
    93.16/139.73 = 29.03/x
  3. Step 3: Cross multiply
    93.16x = 139.73 × 29.03
  4. Step 4: Simplify right side
    93.16x = 4,056.36
  5. Step 5: Solve for x
    x = 4,056.36/93.16
  6. Step 6: Final answer
    x = 43.54

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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.