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Finding the Fourth Proportional to 183, 273.49 and 146.76

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Solution

The fourth proportional to 183, 273.49 and 146.76 is: 219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    183 : 273.49 = 146.76 : x
  2. Step 2: Convert to fraction form
    183/273.49 = 146.76/x
  3. Step 3: Cross multiply
    183x = 273.49 × 146.76
  4. Step 4: Simplify right side
    183x = 40,137.39
  5. Step 5: Solve for x
    x = 40,137.39/183
  6. Step 6: Final answer
    x = 219.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.