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Finding the Fourth Proportional to 246.13, 368.70 and 159.16

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Solution

The fourth proportional to 246.13, 368.70 and 159.16 is: 238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.13 : 368.70 = 159.16 : x
  2. Step 2: Convert to fraction form
    246.13/368.70 = 159.16/x
  3. Step 3: Cross multiply
    246.13x = 368.70 × 159.16
  4. Step 4: Simplify right side
    246.13x = 58,680.57
  5. Step 5: Solve for x
    x = 58,680.57/246.13
  6. Step 6: Final answer
    x = 238.42

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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.