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Finding the Fourth Proportional to 236.34, 353.88 and 162.99

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Solution

The fourth proportional to 236.34, 353.88 and 162.99 is: 244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.34 : 353.88 = 162.99 : x
  2. Step 2: Convert to fraction form
    236.34/353.88 = 162.99/x
  3. Step 3: Cross multiply
    236.34x = 353.88 × 162.99
  4. Step 4: Simplify right side
    236.34x = 57,678.90
  5. Step 5: Solve for x
    x = 57,678.90/236.34
  6. Step 6: Final answer
    x = 244.05

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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.