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Finding the Fourth Proportional to 269.73, 372.33 and 186.93

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Solution

The fourth proportional to 269.73, 372.33 and 186.93 is: 258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.73 : 372.33 = 186.93 : x
  2. Step 2: Convert to fraction form
    269.73/372.33 = 186.93/x
  3. Step 3: Cross multiply
    269.73x = 372.33 × 186.93
  4. Step 4: Simplify right side
    269.73x = 69,599.65
  5. Step 5: Solve for x
    x = 69,599.65/269.73
  6. Step 6: Final answer
    x = 258.03

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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.