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Finding the Fourth Proportional to 222.44, 307.01 and 133.93

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Solution

The fourth proportional to 222.44, 307.01 and 133.93 is: 184.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.44 : 307.01 = 133.93 : x
  2. Step 2: Convert to fraction form
    222.44/307.01 = 133.93/x
  3. Step 3: Cross multiply
    222.44x = 307.01 × 133.93
  4. Step 4: Simplify right side
    222.44x = 41,117.85
  5. Step 5: Solve for x
    x = 41,117.85/222.44
  6. Step 6: Final answer
    x = 184.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.