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Finding the Fourth Proportional to 236.04, 353.94 and 159

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Solution

The fourth proportional to 236.04, 353.94 and 159 is: 238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.04 : 353.94 = 159 : x
  2. Step 2: Convert to fraction form
    236.04/353.94 = 159/x
  3. Step 3: Cross multiply
    236.04x = 353.94 × 159
  4. Step 4: Simplify right side
    236.04x = 56,276.46
  5. Step 5: Solve for x
    x = 56,276.46/236.04
  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.