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Finding the Fourth Proportional to 79,162.44, 118,743.48 and 32,415.36

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Solution

The fourth proportional to 79,162.44, 118,743.48 and 32,415.36 is: 48,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,162.44 : 118,743.48 = 32,415.36 : x
  2. Step 2: Convert to fraction form
    79,162.44/118,743.48 = 32,415.36/x
  3. Step 3: Cross multiply
    79,162.44x = 118,743.48 × 32,415.36
  4. Step 4: Simplify right side
    79,162.44x = 3,849,112,651.85
  5. Step 5: Solve for x
    x = 3,849,112,651.85/79,162.44
  6. Step 6: Final answer
    x = 48,622.97

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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.