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Finding the Fourth Proportional to 94.53, 141.83 and 75.35

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Solution

The fourth proportional to 94.53, 141.83 and 75.35 is: 113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.53 : 141.83 = 75.35 : x
  2. Step 2: Convert to fraction form
    94.53/141.83 = 75.35/x
  3. Step 3: Cross multiply
    94.53x = 141.83 × 75.35
  4. Step 4: Simplify right side
    94.53x = 10,685.80
  5. Step 5: Solve for x
    x = 10,685.80/94.53
  6. Step 6: Final answer
    x = 113.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.