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Finding the Fourth Proportional to 122.94, 184.47 and 94.03

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Solution

The fourth proportional to 122.94, 184.47 and 94.03 is: 141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.94 : 184.47 = 94.03 : x
  2. Step 2: Convert to fraction form
    122.94/184.47 = 94.03/x
  3. Step 3: Cross multiply
    122.94x = 184.47 × 94.03
  4. Step 4: Simplify right side
    122.94x = 17,344.78
  5. Step 5: Solve for x
    x = 17,344.78/122.94
  6. Step 6: Final answer
    x = 141.09

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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.