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Finding the Fourth Proportional to 244.61, 366.82 and 71.23

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Solution

The fourth proportional to 244.61, 366.82 and 71.23 is: 106.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.61 : 366.82 = 71.23 : x
  2. Step 2: Convert to fraction form
    244.61/366.82 = 71.23/x
  3. Step 3: Cross multiply
    244.61x = 366.82 × 71.23
  4. Step 4: Simplify right side
    244.61x = 26,127.55
  5. Step 5: Solve for x
    x = 26,127.55/244.61
  6. Step 6: Final answer
    x = 106.81

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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.