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Finding the Fourth Proportional to 150.95, 226.44 and 46.86

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Solution

The fourth proportional to 150.95, 226.44 and 46.86 is: 70.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.95 : 226.44 = 46.86 : x
  2. Step 2: Convert to fraction form
    150.95/226.44 = 46.86/x
  3. Step 3: Cross multiply
    150.95x = 226.44 × 46.86
  4. Step 4: Simplify right side
    150.95x = 10,609.95
  5. Step 5: Solve for x
    x = 10,609.95/150.95
  6. Step 6: Final answer
    x = 70.29

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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.