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Finding the Fourth Proportional to 183.69, 253.44 and 109.98

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Solution

The fourth proportional to 183.69, 253.44 and 109.98 is: 151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.69 : 253.44 = 109.98 : x
  2. Step 2: Convert to fraction form
    183.69/253.44 = 109.98/x
  3. Step 3: Cross multiply
    183.69x = 253.44 × 109.98
  4. Step 4: Simplify right side
    183.69x = 27,873.33
  5. Step 5: Solve for x
    x = 27,873.33/183.69
  6. Step 6: Final answer
    x = 151.74

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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.