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Finding the Fourth Proportional to 183.87, 253.73 and 110.21

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Solution

The fourth proportional to 183.87, 253.73 and 110.21 is: 152.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.87 : 253.73 = 110.21 : x
  2. Step 2: Convert to fraction form
    183.87/253.73 = 110.21/x
  3. Step 3: Cross multiply
    183.87x = 253.73 × 110.21
  4. Step 4: Simplify right side
    183.87x = 27,964.02
  5. Step 5: Solve for x
    x = 27,964.02/183.87
  6. Step 6: Final answer
    x = 152.09

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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.