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Finding the Fourth Proportional to 246.92, 369.71 and 164.40

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Solution

The fourth proportional to 246.92, 369.71 and 164.40 is: 246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.92 : 369.71 = 164.40 : x
  2. Step 2: Convert to fraction form
    246.92/369.71 = 164.40/x
  3. Step 3: Cross multiply
    246.92x = 369.71 × 164.40
  4. Step 4: Simplify right side
    246.92x = 60,779.50
  5. Step 5: Solve for x
    x = 60,779.50/246.92
  6. Step 6: Final answer
    x = 246.16

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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.