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Finding the Fourth Proportional to 266.64, 367.67 and 179.16

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Solution

The fourth proportional to 266.64, 367.67 and 179.16 is: 247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.64 : 367.67 = 179.16 : x
  2. Step 2: Convert to fraction form
    266.64/367.67 = 179.16/x
  3. Step 3: Cross multiply
    266.64x = 367.67 × 179.16
  4. Step 4: Simplify right side
    266.64x = 65,870.83
  5. Step 5: Solve for x
    x = 65,870.83/266.64
  6. Step 6: Final answer
    x = 247.04

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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.