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Finding the Fourth Proportional to 184.68, 277.06 and 76.48

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Solution

The fourth proportional to 184.68, 277.06 and 76.48 is: 114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.68 : 277.06 = 76.48 : x
  2. Step 2: Convert to fraction form
    184.68/277.06 = 76.48/x
  3. Step 3: Cross multiply
    184.68x = 277.06 × 76.48
  4. Step 4: Simplify right side
    184.68x = 21,189.36
  5. Step 5: Solve for x
    x = 21,189.36/184.68
  6. Step 6: Final answer
    x = 114.73

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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.