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Finding the Fourth Proportional to 183.16, 274.88 and 102.07

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Solution

The fourth proportional to 183.16, 274.88 and 102.07 is: 153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.16 : 274.88 = 102.07 : x
  2. Step 2: Convert to fraction form
    183.16/274.88 = 102.07/x
  3. Step 3: Cross multiply
    183.16x = 274.88 × 102.07
  4. Step 4: Simplify right side
    183.16x = 28,057.00
  5. Step 5: Solve for x
    x = 28,057.00/183.16
  6. Step 6: Final answer
    x = 153.18

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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.