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Finding the Fourth Proportional to 150.84, 226.16 and 73.70

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Solution

The fourth proportional to 150.84, 226.16 and 73.70 is: 110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.84 : 226.16 = 73.70 : x
  2. Step 2: Convert to fraction form
    150.84/226.16 = 73.70/x
  3. Step 3: Cross multiply
    150.84x = 226.16 × 73.70
  4. Step 4: Simplify right side
    150.84x = 16,667.99
  5. Step 5: Solve for x
    x = 16,667.99/150.84
  6. Step 6: Final answer
    x = 110.50

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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.