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Finding the Fourth Proportional to 179.98, 248.35 and 106.27

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Solution

The fourth proportional to 179.98, 248.35 and 106.27 is: 146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.98 : 248.35 = 106.27 : x
  2. Step 2: Convert to fraction form
    179.98/248.35 = 106.27/x
  3. Step 3: Cross multiply
    179.98x = 248.35 × 106.27
  4. Step 4: Simplify right side
    179.98x = 26,391.62
  5. Step 5: Solve for x
    x = 26,391.62/179.98
  6. Step 6: Final answer
    x = 146.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.