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Finding the Fourth Proportional to 183.47, 275.26 and 92.06

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Solution

The fourth proportional to 183.47, 275.26 and 92.06 is: 138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.47 : 275.26 = 92.06 : x
  2. Step 2: Convert to fraction form
    183.47/275.26 = 92.06/x
  3. Step 3: Cross multiply
    183.47x = 275.26 × 92.06
  4. Step 4: Simplify right side
    183.47x = 25,340.44
  5. Step 5: Solve for x
    x = 25,340.44/183.47
  6. Step 6: Final answer
    x = 138.12

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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.