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Finding the Fourth Proportional to 183.24, 252.77 and 112.30

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Solution

The fourth proportional to 183.24, 252.77 and 112.30 is: 154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.24 : 252.77 = 112.30 : x
  2. Step 2: Convert to fraction form
    183.24/252.77 = 112.30/x
  3. Step 3: Cross multiply
    183.24x = 252.77 × 112.30
  4. Step 4: Simplify right side
    183.24x = 28,386.07
  5. Step 5: Solve for x
    x = 28,386.07/183.24
  6. Step 6: Final answer
    x = 154.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.