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Finding the Fourth Proportional to 244.53, 366.63 and 105.61

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Solution

The fourth proportional to 244.53, 366.63 and 105.61 is: 158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.53 : 366.63 = 105.61 : x
  2. Step 2: Convert to fraction form
    244.53/366.63 = 105.61/x
  3. Step 3: Cross multiply
    244.53x = 366.63 × 105.61
  4. Step 4: Simplify right side
    244.53x = 38,719.79
  5. Step 5: Solve for x
    x = 38,719.79/244.53
  6. Step 6: Final answer
    x = 158.34

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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.