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Finding the Fourth Proportional to 183.69, 253.45 and 110.02

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Solution

The fourth proportional to 183.69, 253.45 and 110.02 is: 151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.69 : 253.45 = 110.02 : x
  2. Step 2: Convert to fraction form
    183.69/253.45 = 110.02/x
  3. Step 3: Cross multiply
    183.69x = 253.45 × 110.02
  4. Step 4: Simplify right side
    183.69x = 27,884.57
  5. Step 5: Solve for x
    x = 27,884.57/183.69
  6. Step 6: Final answer
    x = 151.80

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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.