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Finding the Fourth Proportional to 239.63, 359.58 and 167.35

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Solution

The fourth proportional to 239.63, 359.58 and 167.35 is: 251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.63 : 359.58 = 167.35 : x
  2. Step 2: Convert to fraction form
    239.63/359.58 = 167.35/x
  3. Step 3: Cross multiply
    239.63x = 359.58 × 167.35
  4. Step 4: Simplify right side
    239.63x = 60,174.88
  5. Step 5: Solve for x
    x = 60,174.88/239.63
  6. Step 6: Final answer
    x = 251.12

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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.