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Finding the Fourth Proportional to 183.32, 252.99 and 109.64

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Solution

The fourth proportional to 183.32, 252.99 and 109.64 is: 151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.32 : 252.99 = 109.64 : x
  2. Step 2: Convert to fraction form
    183.32/252.99 = 109.64/x
  3. Step 3: Cross multiply
    183.32x = 252.99 × 109.64
  4. Step 4: Simplify right side
    183.32x = 27,737.82
  5. Step 5: Solve for x
    x = 27,737.82/183.32
  6. Step 6: Final answer
    x = 151.31

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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.