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Finding the Fourth Proportional to 79,205.44, 118,811.76 and 44,118.64

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Solution

The fourth proportional to 79,205.44, 118,811.76 and 44,118.64 is: 66,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,205.44 : 118,811.76 = 44,118.64 : x
  2. Step 2: Convert to fraction form
    79,205.44/118,811.76 = 44,118.64/x
  3. Step 3: Cross multiply
    79,205.44x = 118,811.76 × 44,118.64
  4. Step 4: Simplify right side
    79,205.44x = 5,241,813,267.21
  5. Step 5: Solve for x
    x = 5,241,813,267.21/79,205.44
  6. Step 6: Final answer
    x = 66,179.97

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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.