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Finding the Fourth Proportional to 110,661.75, 165,992.63 and 36,789.75

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Solution

The fourth proportional to 110,661.75, 165,992.63 and 36,789.75 is: 55,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,661.75 : 165,992.63 = 36,789.75 : x
  2. Step 2: Convert to fraction form
    110,661.75/165,992.63 = 36,789.75/x
  3. Step 3: Cross multiply
    110,661.75x = 165,992.63 × 36,789.75
  4. Step 4: Simplify right side
    110,661.75x = 6,106,827,175.59
  5. Step 5: Solve for x
    x = 6,106,827,175.59/110,661.75
  6. Step 6: Final answer
    x = 55,184.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.