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Finding the Fourth Proportional to 266.66, 367.93 and 150.18

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Solution

The fourth proportional to 266.66, 367.93 and 150.18 is: 207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.66 : 367.93 = 150.18 : x
  2. Step 2: Convert to fraction form
    266.66/367.93 = 150.18/x
  3. Step 3: Cross multiply
    266.66x = 367.93 × 150.18
  4. Step 4: Simplify right side
    266.66x = 55,255.73
  5. Step 5: Solve for x
    x = 55,255.73/266.66
  6. Step 6: Final answer
    x = 207.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.