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Finding the Fourth Proportional to 98.37, 134.94 and 96.34

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Solution

The fourth proportional to 98.37, 134.94 and 96.34 is: 132.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.37 : 134.94 = 96.34 : x
  2. Step 2: Convert to fraction form
    98.37/134.94 = 96.34/x
  3. Step 3: Cross multiply
    98.37x = 134.94 × 96.34
  4. Step 4: Simplify right side
    98.37x = 13,000.12
  5. Step 5: Solve for x
    x = 13,000.12/98.37
  6. Step 6: Final answer
    x = 132.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.