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Finding the Fourth Proportional to 79,765.82, 110,077.02 and 43,467.54

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Solution

The fourth proportional to 79,765.82, 110,077.02 and 43,467.54 is: 59,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,765.82 : 110,077.02 = 43,467.54 : x
  2. Step 2: Convert to fraction form
    79,765.82/110,077.02 = 43,467.54/x
  3. Step 3: Cross multiply
    79,765.82x = 110,077.02 × 43,467.54
  4. Step 4: Simplify right side
    79,765.82x = 4,784,777,269.93
  5. Step 5: Solve for x
    x = 4,784,777,269.93/79,765.82
  6. Step 6: Final answer
    x = 59,985.31

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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.