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Finding the Fourth Proportional to 96.83, 133.67 and 67.37

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Solution

The fourth proportional to 96.83, 133.67 and 67.37 is: 93.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.83 : 133.67 = 67.37 : x
  2. Step 2: Convert to fraction form
    96.83/133.67 = 67.37/x
  3. Step 3: Cross multiply
    96.83x = 133.67 × 67.37
  4. Step 4: Simplify right side
    96.83x = 9,004.85
  5. Step 5: Solve for x
    x = 9,004.85/96.83
  6. Step 6: Final answer
    x = 93.00

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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.