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Finding the Fourth Proportional to 167.94, 252.18 and 148.86

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Solution

The fourth proportional to 167.94, 252.18 and 148.86 is: 223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.94 : 252.18 = 148.86 : x
  2. Step 2: Convert to fraction form
    167.94/252.18 = 148.86/x
  3. Step 3: Cross multiply
    167.94x = 252.18 × 148.86
  4. Step 4: Simplify right side
    167.94x = 37,539.51
  5. Step 5: Solve for x
    x = 37,539.51/167.94
  6. Step 6: Final answer
    x = 223.53

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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.