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Finding the Fourth Proportional to 167.04, 248.88 and 162.84

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Solution

The fourth proportional to 167.04, 248.88 and 162.84 is: 242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.04 : 248.88 = 162.84 : x
  2. Step 2: Convert to fraction form
    167.04/248.88 = 162.84/x
  3. Step 3: Cross multiply
    167.04x = 248.88 × 162.84
  4. Step 4: Simplify right side
    167.04x = 40,527.62
  5. Step 5: Solve for x
    x = 40,527.62/167.04
  6. Step 6: Final answer
    x = 242.62

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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.