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Finding the Fourth Proportional to 163.58, 244.83 and 109.58

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Solution

The fourth proportional to 163.58, 244.83 and 109.58 is: 164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.58 : 244.83 = 109.58 : x
  2. Step 2: Convert to fraction form
    163.58/244.83 = 109.58/x
  3. Step 3: Cross multiply
    163.58x = 244.83 × 109.58
  4. Step 4: Simplify right side
    163.58x = 26,828.47
  5. Step 5: Solve for x
    x = 26,828.47/163.58
  6. Step 6: Final answer
    x = 164.01

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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.