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Finding the Fourth Proportional to 79,313.94, 118,977.91 and 22,388.36

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Solution

The fourth proportional to 79,313.94, 118,977.91 and 22,388.36 is: 33,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,313.94 : 118,977.91 = 22,388.36 : x
  2. Step 2: Convert to fraction form
    79,313.94/118,977.91 = 22,388.36/x
  3. Step 3: Cross multiply
    79,313.94x = 118,977.91 × 22,388.36
  4. Step 4: Simplify right side
    79,313.94x = 2,663,719,630.27
  5. Step 5: Solve for x
    x = 2,663,719,630.27/79,313.94
  6. Step 6: Final answer
    x = 33,584.51

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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.