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Finding the Fourth Proportional to 92.84, 139.23 and 44.73

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Solution

The fourth proportional to 92.84, 139.23 and 44.73 is: 67.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.84 : 139.23 = 44.73 : x
  2. Step 2: Convert to fraction form
    92.84/139.23 = 44.73/x
  3. Step 3: Cross multiply
    92.84x = 139.23 × 44.73
  4. Step 4: Simplify right side
    92.84x = 6,227.76
  5. Step 5: Solve for x
    x = 6,227.76/92.84
  6. Step 6: Final answer
    x = 67.08

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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.