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Finding the Fourth Proportional to 183.97, 275.76 and 118.94

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Solution

The fourth proportional to 183.97, 275.76 and 118.94 is: 178.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.97 : 275.76 = 118.94 : x
  2. Step 2: Convert to fraction form
    183.97/275.76 = 118.94/x
  3. Step 3: Cross multiply
    183.97x = 275.76 × 118.94
  4. Step 4: Simplify right side
    183.97x = 32,798.89
  5. Step 5: Solve for x
    x = 32,798.89/183.97
  6. Step 6: Final answer
    x = 178.28

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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.