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Finding the Fourth Proportional to 244.30, 366.36 and 70.91

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Solution

The fourth proportional to 244.30, 366.36 and 70.91 is: 106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.30 : 366.36 = 70.91 : x
  2. Step 2: Convert to fraction form
    244.30/366.36 = 70.91/x
  3. Step 3: Cross multiply
    244.30x = 366.36 × 70.91
  4. Step 4: Simplify right side
    244.30x = 25,977.86
  5. Step 5: Solve for x
    x = 25,977.86/244.30
  6. Step 6: Final answer
    x = 106.34

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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.