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Finding the Fourth Proportional to 183.93, 253.88 and 178.98

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Solution

The fourth proportional to 183.93, 253.88 and 178.98 is: 247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.93 : 253.88 = 178.98 : x
  2. Step 2: Convert to fraction form
    183.93/253.88 = 178.98/x
  3. Step 3: Cross multiply
    183.93x = 253.88 × 178.98
  4. Step 4: Simplify right side
    183.93x = 45,439.44
  5. Step 5: Solve for x
    x = 45,439.44/183.93
  6. Step 6: Final answer
    x = 247.05

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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.