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Finding the Fourth Proportional to 222.17, 333.26 and 75.93

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Solution

The fourth proportional to 222.17, 333.26 and 75.93 is: 113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.17 : 333.26 = 75.93 : x
  2. Step 2: Convert to fraction form
    222.17/333.26 = 75.93/x
  3. Step 3: Cross multiply
    222.17x = 333.26 × 75.93
  4. Step 4: Simplify right side
    222.17x = 25,304.43
  5. Step 5: Solve for x
    x = 25,304.43/222.17
  6. Step 6: Final answer
    x = 113.90

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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.