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Finding the Fourth Proportional to 224.58, 336.86 and 122.07

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Solution

The fourth proportional to 224.58, 336.86 and 122.07 is: 183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.58 : 336.86 = 122.07 : x
  2. Step 2: Convert to fraction form
    224.58/336.86 = 122.07/x
  3. Step 3: Cross multiply
    224.58x = 336.86 × 122.07
  4. Step 4: Simplify right side
    224.58x = 41,120.50
  5. Step 5: Solve for x
    x = 41,120.50/224.58
  6. Step 6: Final answer
    x = 183.10

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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.