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Finding the Fourth Proportional to 246.90, 369.73 and 125.22

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Solution

The fourth proportional to 246.90, 369.73 and 125.22 is: 187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.90 : 369.73 = 125.22 : x
  2. Step 2: Convert to fraction form
    246.90/369.73 = 125.22/x
  3. Step 3: Cross multiply
    246.90x = 369.73 × 125.22
  4. Step 4: Simplify right side
    246.90x = 46,297.59
  5. Step 5: Solve for x
    x = 46,297.59/246.90
  6. Step 6: Final answer
    x = 187.52

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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.