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Finding the Fourth Proportional to 222.84, 333.86 and 124.83

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Solution

The fourth proportional to 222.84, 333.86 and 124.83 is: 187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222.84 : 333.86 = 124.83 : x
  2. Step 2: Convert to fraction form
    222.84/333.86 = 124.83/x
  3. Step 3: Cross multiply
    222.84x = 333.86 × 124.83
  4. Step 4: Simplify right side
    222.84x = 41,675.12
  5. Step 5: Solve for x
    x = 41,675.12/222.84
  6. Step 6: Final answer
    x = 187.02

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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.