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Finding the Fourth Proportional to 222.86, 334.41 and 92.93

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Solution

The fourth proportional to 222.86, 334.41 and 92.93 is: 139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.86 : 334.41 = 92.93 : x
  2. Step 2: Convert to fraction form
    222.86/334.41 = 92.93/x
  3. Step 3: Cross multiply
    222.86x = 334.41 × 92.93
  4. Step 4: Simplify right side
    222.86x = 31,076.72
  5. Step 5: Solve for x
    x = 31,076.72/222.86
  6. Step 6: Final answer
    x = 139.45

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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.