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Finding the Fourth Proportional to 122.33, 183.59 and 50.24

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Solution

The fourth proportional to 122.33, 183.59 and 50.24 is: 75.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.33 : 183.59 = 50.24 : x
  2. Step 2: Convert to fraction form
    122.33/183.59 = 50.24/x
  3. Step 3: Cross multiply
    122.33x = 183.59 × 50.24
  4. Step 4: Simplify right side
    122.33x = 9,223.07
  5. Step 5: Solve for x
    x = 9,223.07/122.33
  6. Step 6: Final answer
    x = 75.40

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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.