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Finding the Fourth Proportional to 79,135.80, 118,715.43 and 22,976.37

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Solution

The fourth proportional to 79,135.80, 118,715.43 and 22,976.37 is: 34,467.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,135.80 : 118,715.43 = 22,976.37 : x
  2. Step 2: Convert to fraction form
    79,135.80/118,715.43 = 22,976.37/x
  3. Step 3: Cross multiply
    79,135.80x = 118,715.43 × 22,976.37
  4. Step 4: Simplify right side
    79,135.80x = 2,727,649,644.39
  5. Step 5: Solve for x
    x = 2,727,649,644.39/79,135.80
  6. Step 6: Final answer
    x = 34,467.96

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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.