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Finding the Fourth Proportional to 79,352.37, 109,505.96 and 43,542.97

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Solution

The fourth proportional to 79,352.37, 109,505.96 and 43,542.97 is: 60,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,352.37 : 109,505.96 = 43,542.97 : x
  2. Step 2: Convert to fraction form
    79,352.37/109,505.96 = 43,542.97/x
  3. Step 3: Cross multiply
    79,352.37x = 109,505.96 × 43,542.97
  4. Step 4: Simplify right side
    79,352.37x = 4,768,214,731.10
  5. Step 5: Solve for x
    x = 4,768,214,731.10/79,352.37
  6. Step 6: Final answer
    x = 60,089.13

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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.