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Finding the Fourth Proportional to 222.69, 333.63 and 114.60

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Solution

The fourth proportional to 222.69, 333.63 and 114.60 is: 171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.69 : 333.63 = 114.60 : x
  2. Step 2: Convert to fraction form
    222.69/333.63 = 114.60/x
  3. Step 3: Cross multiply
    222.69x = 333.63 × 114.60
  4. Step 4: Simplify right side
    222.69x = 38,234.00
  5. Step 5: Solve for x
    x = 38,234.00/222.69
  6. Step 6: Final answer
    x = 171.69

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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.