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Finding the Fourth Proportional to 79,776.54, 110,091.60 and 43,966.44

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Solution

The fourth proportional to 79,776.54, 110,091.60 and 43,966.44 is: 60,673.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776.54 : 110,091.60 = 43,966.44 : x
  2. Step 2: Convert to fraction form
    79,776.54/110,091.60 = 43,966.44/x
  3. Step 3: Cross multiply
    79,776.54x = 110,091.60 × 43,966.44
  4. Step 4: Simplify right side
    79,776.54x = 4,840,335,725.90
  5. Step 5: Solve for x
    x = 4,840,335,725.90/79,776.54
  6. Step 6: Final answer
    x = 60,673.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.