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Finding the Fourth Proportional to 179.93, 248.40 and 106.27

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Solution

The fourth proportional to 179.93, 248.40 and 106.27 is: 146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.93 : 248.40 = 106.27 : x
  2. Step 2: Convert to fraction form
    179.93/248.40 = 106.27/x
  3. Step 3: Cross multiply
    179.93x = 248.40 × 106.27
  4. Step 4: Simplify right side
    179.93x = 26,397.82
  5. Step 5: Solve for x
    x = 26,397.82/179.93
  6. Step 6: Final answer
    x = 146.71

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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.