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Finding the Fourth Proportional to 244, 365.90 and 89.89

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Solution

The fourth proportional to 244, 365.90 and 89.89 is: 134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244 : 365.90 = 89.89 : x
  2. Step 2: Convert to fraction form
    244/365.90 = 89.89/x
  3. Step 3: Cross multiply
    244x = 365.90 × 89.89
  4. Step 4: Simplify right side
    244x = 32,890.75
  5. Step 5: Solve for x
    x = 32,890.75/244
  6. Step 6: Final answer
    x = 134.80

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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.