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Finding the Fourth Proportional to 183.52, 253.26 and 109.86

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Solution

The fourth proportional to 183.52, 253.26 and 109.86 is: 151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.52 : 253.26 = 109.86 : x
  2. Step 2: Convert to fraction form
    183.52/253.26 = 109.86/x
  3. Step 3: Cross multiply
    183.52x = 253.26 × 109.86
  4. Step 4: Simplify right side
    183.52x = 27,823.14
  5. Step 5: Solve for x
    x = 27,823.14/183.52
  6. Step 6: Final answer
    x = 151.61

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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.