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Finding the Fourth Proportional to 192.87, 287.60 and 184.37

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Solution

The fourth proportional to 192.87, 287.60 and 184.37 is: 274.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.87 : 287.60 = 184.37 : x
  2. Step 2: Convert to fraction form
    192.87/287.60 = 184.37/x
  3. Step 3: Cross multiply
    192.87x = 287.60 × 184.37
  4. Step 4: Simplify right side
    192.87x = 53,022.45
  5. Step 5: Solve for x
    x = 53,022.45/192.87
  6. Step 6: Final answer
    x = 274.91

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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.