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Finding the Fourth Proportional to 183.72, 253.42 and 110.02

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Solution

The fourth proportional to 183.72, 253.42 and 110.02 is: 151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.72 : 253.42 = 110.02 : x
  2. Step 2: Convert to fraction form
    183.72/253.42 = 110.02/x
  3. Step 3: Cross multiply
    183.72x = 253.42 × 110.02
  4. Step 4: Simplify right side
    183.72x = 27,881.27
  5. Step 5: Solve for x
    x = 27,881.27/183.72
  6. Step 6: Final answer
    x = 151.76

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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.