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Finding the Fourth Proportional to 92.52, 138.93 and 46.96

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Solution

The fourth proportional to 92.52, 138.93 and 46.96 is: 70.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92.52 : 138.93 = 46.96 : x
  2. Step 2: Convert to fraction form
    92.52/138.93 = 46.96/x
  3. Step 3: Cross multiply
    92.52x = 138.93 × 46.96
  4. Step 4: Simplify right side
    92.52x = 6,524.15
  5. Step 5: Solve for x
    x = 6,524.15/92.52
  6. Step 6: Final answer
    x = 70.52

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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.