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Finding the Fourth Proportional to 188.74, 282.93 and 179.92

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Solution

The fourth proportional to 188.74, 282.93 and 179.92 is: 269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.74 : 282.93 = 179.92 : x
  2. Step 2: Convert to fraction form
    188.74/282.93 = 179.92/x
  3. Step 3: Cross multiply
    188.74x = 282.93 × 179.92
  4. Step 4: Simplify right side
    188.74x = 50,904.77
  5. Step 5: Solve for x
    x = 50,904.77/188.74
  6. Step 6: Final answer
    x = 269.71

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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.