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Finding the Fourth Proportional to 150.98, 226.45 and 48.26

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Solution

The fourth proportional to 150.98, 226.45 and 48.26 is: 72.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.98 : 226.45 = 48.26 : x
  2. Step 2: Convert to fraction form
    150.98/226.45 = 48.26/x
  3. Step 3: Cross multiply
    150.98x = 226.45 × 48.26
  4. Step 4: Simplify right side
    150.98x = 10,928.48
  5. Step 5: Solve for x
    x = 10,928.48/150.98
  6. Step 6: Final answer
    x = 72.38

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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.