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Finding the Fourth Proportional to 246.46, 369.65 and 73.12

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Solution

The fourth proportional to 246.46, 369.65 and 73.12 is: 109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.46 : 369.65 = 73.12 : x
  2. Step 2: Convert to fraction form
    246.46/369.65 = 73.12/x
  3. Step 3: Cross multiply
    246.46x = 369.65 × 73.12
  4. Step 4: Simplify right side
    246.46x = 27,029.37
  5. Step 5: Solve for x
    x = 27,029.37/246.46
  6. Step 6: Final answer
    x = 109.67

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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.