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Finding the Fourth Proportional to 122.01, 183 and 53.52

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Solution

The fourth proportional to 122.01, 183 and 53.52 is: 80.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.01 : 183 = 53.52 : x
  2. Step 2: Convert to fraction form
    122.01/183 = 53.52/x
  3. Step 3: Cross multiply
    122.01x = 183 × 53.52
  4. Step 4: Simplify right side
    122.01x = 9,794.16
  5. Step 5: Solve for x
    x = 9,794.16/122.01
  6. Step 6: Final answer
    x = 80.27

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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.