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Finding the Fourth Proportional to 110,866.96, 166,196.76 and 40,727.44

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Solution

The fourth proportional to 110,866.96, 166,196.76 and 40,727.44 is: 61,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,866.96 : 166,196.76 = 40,727.44 : x
  2. Step 2: Convert to fraction form
    110,866.96/166,196.76 = 40,727.44/x
  3. Step 3: Cross multiply
    110,866.96x = 166,196.76 × 40,727.44
  4. Step 4: Simplify right side
    110,866.96x = 6,768,768,571.09
  5. Step 5: Solve for x
    x = 6,768,768,571.09/110,866.96
  6. Step 6: Final answer
    x = 61,053.07

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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.