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Finding the Fourth Proportional to 96.83, 133.98 and 94.53

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Solution

The fourth proportional to 96.83, 133.98 and 94.53 is: 130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.83 : 133.98 = 94.53 : x
  2. Step 2: Convert to fraction form
    96.83/133.98 = 94.53/x
  3. Step 3: Cross multiply
    96.83x = 133.98 × 94.53
  4. Step 4: Simplify right side
    96.83x = 12,665.13
  5. Step 5: Solve for x
    x = 12,665.13/96.83
  6. Step 6: Final answer
    x = 130.80

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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.