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Finding the Fourth Proportional to 162.84, 244.42 and 162.08

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Solution

The fourth proportional to 162.84, 244.42 and 162.08 is: 243.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.84 : 244.42 = 162.08 : x
  2. Step 2: Convert to fraction form
    162.84/244.42 = 162.08/x
  3. Step 3: Cross multiply
    162.84x = 244.42 × 162.08
  4. Step 4: Simplify right side
    162.84x = 39,615.59
  5. Step 5: Solve for x
    x = 39,615.59/162.84
  6. Step 6: Final answer
    x = 243.28

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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.