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Finding the Fourth Proportional to 92.01, 137.94 and 63.05

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Solution

The fourth proportional to 92.01, 137.94 and 63.05 is: 94.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.01 : 137.94 = 63.05 : x
  2. Step 2: Convert to fraction form
    92.01/137.94 = 63.05/x
  3. Step 3: Cross multiply
    92.01x = 137.94 × 63.05
  4. Step 4: Simplify right side
    92.01x = 8,697.78
  5. Step 5: Solve for x
    x = 8,697.78/92.01
  6. Step 6: Final answer
    x = 94.53

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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.