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Finding the Fourth Proportional to 122.44, 183.59 and 58.32

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Solution

The fourth proportional to 122.44, 183.59 and 58.32 is: 87.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122.44 : 183.59 = 58.32 : x
  2. Step 2: Convert to fraction form
    122.44/183.59 = 58.32/x
  3. Step 3: Cross multiply
    122.44x = 183.59 × 58.32
  4. Step 4: Simplify right side
    122.44x = 10,706.05
  5. Step 5: Solve for x
    x = 10,706.05/122.44
  6. Step 6: Final answer
    x = 87.44

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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.