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Finding the Fourth Proportional to 79,174.80, 109,260.90 and 43,367.04

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Solution

The fourth proportional to 79,174.80, 109,260.90 and 43,367.04 is: 59,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,174.80 : 109,260.90 = 43,367.04 : x
  2. Step 2: Convert to fraction form
    79,174.80/109,260.90 = 43,367.04/x
  3. Step 3: Cross multiply
    79,174.80x = 109,260.90 × 43,367.04
  4. Step 4: Simplify right side
    79,174.80x = 4,738,321,820.74
  5. Step 5: Solve for x
    x = 4,738,321,820.74/79,174.80
  6. Step 6: Final answer
    x = 59,846.34

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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.