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Finding the Fourth Proportional to 246.57, 369.59 and 130.95

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Solution

The fourth proportional to 246.57, 369.59 and 130.95 is: 196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.57 : 369.59 = 130.95 : x
  2. Step 2: Convert to fraction form
    246.57/369.59 = 130.95/x
  3. Step 3: Cross multiply
    246.57x = 369.59 × 130.95
  4. Step 4: Simplify right side
    246.57x = 48,397.16
  5. Step 5: Solve for x
    x = 48,397.16/246.57
  6. Step 6: Final answer
    x = 196.28

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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.