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Finding the Fourth Proportional to 244.50, 366.74 and 61.90

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Solution

The fourth proportional to 244.50, 366.74 and 61.90 is: 92.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.50 : 366.74 = 61.90 : x
  2. Step 2: Convert to fraction form
    244.50/366.74 = 61.90/x
  3. Step 3: Cross multiply
    244.50x = 366.74 × 61.90
  4. Step 4: Simplify right side
    244.50x = 22,699.37
  5. Step 5: Solve for x
    x = 22,699.37/244.50
  6. Step 6: Final answer
    x = 92.84

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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.