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Finding the Fourth Proportional to 163.18, 244.98 and 162.58

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Solution

The fourth proportional to 163.18, 244.98 and 162.58 is: 244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.18 : 244.98 = 162.58 : x
  2. Step 2: Convert to fraction form
    163.18/244.98 = 162.58/x
  3. Step 3: Cross multiply
    163.18x = 244.98 × 162.58
  4. Step 4: Simplify right side
    163.18x = 39,828.85
  5. Step 5: Solve for x
    x = 39,828.85/163.18
  6. Step 6: Final answer
    x = 244.08

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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.