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Finding the Fourth Proportional to 174.02, 259.43 and 167.18

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Solution

The fourth proportional to 174.02, 259.43 and 167.18 is: 249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.02 : 259.43 = 167.18 : x
  2. Step 2: Convert to fraction form
    174.02/259.43 = 167.18/x
  3. Step 3: Cross multiply
    174.02x = 259.43 × 167.18
  4. Step 4: Simplify right side
    174.02x = 43,369.37
  5. Step 5: Solve for x
    x = 43,369.37/174.02
  6. Step 6: Final answer
    x = 249.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.