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Finding the Fourth Proportional to 222.60, 334.02 and 100.94

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Solution

The fourth proportional to 222.60, 334.02 and 100.94 is: 151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.60 : 334.02 = 100.94 : x
  2. Step 2: Convert to fraction form
    222.60/334.02 = 100.94/x
  3. Step 3: Cross multiply
    222.60x = 334.02 × 100.94
  4. Step 4: Simplify right side
    222.60x = 33,715.98
  5. Step 5: Solve for x
    x = 33,715.98/222.60
  6. Step 6: Final answer
    x = 151.46

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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.