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Finding the Fourth Proportional to 246.36, 369.48 and 92.28

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Solution

The fourth proportional to 246.36, 369.48 and 92.28 is: 138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.36 : 369.48 = 92.28 : x
  2. Step 2: Convert to fraction form
    246.36/369.48 = 92.28/x
  3. Step 3: Cross multiply
    246.36x = 369.48 × 92.28
  4. Step 4: Simplify right side
    246.36x = 34,095.61
  5. Step 5: Solve for x
    x = 34,095.61/246.36
  6. Step 6: Final answer
    x = 138.40

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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.