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Finding the Fourth Proportional to 150.84, 226.15 and 64.17

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Solution

The fourth proportional to 150.84, 226.15 and 64.17 is: 96.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.84 : 226.15 = 64.17 : x
  2. Step 2: Convert to fraction form
    150.84/226.15 = 64.17/x
  3. Step 3: Cross multiply
    150.84x = 226.15 × 64.17
  4. Step 4: Simplify right side
    150.84x = 14,512.05
  5. Step 5: Solve for x
    x = 14,512.05/150.84
  6. Step 6: Final answer
    x = 96.21

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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.