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Finding the Fourth Proportional to 107.28, 148.08 and 96.34

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Solution

The fourth proportional to 107.28, 148.08 and 96.34 is: 132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107.28 : 148.08 = 96.34 : x
  2. Step 2: Convert to fraction form
    107.28/148.08 = 96.34/x
  3. Step 3: Cross multiply
    107.28x = 148.08 × 96.34
  4. Step 4: Simplify right side
    107.28x = 14,266.03
  5. Step 5: Solve for x
    x = 14,266.03/107.28
  6. Step 6: Final answer
    x = 132.98

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