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Finding the Fourth Proportional to 183.02, 274.40 and 118.10

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Solution

The fourth proportional to 183.02, 274.40 and 118.10 is: 177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.02 : 274.40 = 118.10 : x
  2. Step 2: Convert to fraction form
    183.02/274.40 = 118.10/x
  3. Step 3: Cross multiply
    183.02x = 274.40 × 118.10
  4. Step 4: Simplify right side
    183.02x = 32,405.42
  5. Step 5: Solve for x
    x = 32,405.42/183.02
  6. Step 6: Final answer
    x = 177.06

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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.