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Finding the Fourth Proportional to 79,763.88, 110,073.67 and 43,465.26

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Solution

The fourth proportional to 79,763.88, 110,073.67 and 43,465.26 is: 59,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763.88 : 110,073.67 = 43,465.26 : x
  2. Step 2: Convert to fraction form
    79,763.88/110,073.67 = 43,465.26/x
  3. Step 3: Cross multiply
    79,763.88x = 110,073.67 × 43,465.26
  4. Step 4: Simplify right side
    79,763.88x = 4,784,380,685.70
  5. Step 5: Solve for x
    x = 4,784,380,685.70/79,763.88
  6. Step 6: Final answer
    x = 59,981.79

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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.