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Finding the Fourth Proportional to 92.67, 139.01 and 44.56

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Solution

The fourth proportional to 92.67, 139.01 and 44.56 is: 66.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.67 : 139.01 = 44.56 : x
  2. Step 2: Convert to fraction form
    92.67/139.01 = 44.56/x
  3. Step 3: Cross multiply
    92.67x = 139.01 × 44.56
  4. Step 4: Simplify right side
    92.67x = 6,194.29
  5. Step 5: Solve for x
    x = 6,194.29/92.67
  6. Step 6: Final answer
    x = 66.84

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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.