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Finding the Fourth Proportional to 110,497.80, 165,936.24 and 105,511.44

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Solution

The fourth proportional to 110,497.80, 165,936.24 and 105,511.44 is: 158,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,497.80 : 165,936.24 = 105,511.44 : x
  2. Step 2: Convert to fraction form
    110,497.80/165,936.24 = 105,511.44/x
  3. Step 3: Cross multiply
    110,497.80x = 165,936.24 × 105,511.44
  4. Step 4: Simplify right side
    110,497.80x = 17,508,171,630.59
  5. Step 5: Solve for x
    x = 17,508,171,630.59/110,497.80
  6. Step 6: Final answer
    x = 158,448.15

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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.