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Finding the Fourth Proportional to 183.50, 274.84 and 102.16

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Solution

The fourth proportional to 183.50, 274.84 and 102.16 is: 153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.50 : 274.84 = 102.16 : x
  2. Step 2: Convert to fraction form
    183.50/274.84 = 102.16/x
  3. Step 3: Cross multiply
    183.50x = 274.84 × 102.16
  4. Step 4: Simplify right side
    183.50x = 28,077.65
  5. Step 5: Solve for x
    x = 28,077.65/183.50
  6. Step 6: Final answer
    x = 153.01

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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.