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Finding the Fourth Proportional to 188.63, 283.17 and 179.06

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Solution

The fourth proportional to 188.63, 283.17 and 179.06 is: 268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.63 : 283.17 = 179.06 : x
  2. Step 2: Convert to fraction form
    188.63/283.17 = 179.06/x
  3. Step 3: Cross multiply
    188.63x = 283.17 × 179.06
  4. Step 4: Simplify right side
    188.63x = 50,704.77
  5. Step 5: Solve for x
    x = 50,704.77/188.63
  6. Step 6: Final answer
    x = 268.81

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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.