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Finding the Fourth Proportional to 79,954.43, 110,332.37 and 43,648.64

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Solution

The fourth proportional to 79,954.43, 110,332.37 and 43,648.64 is: 60,232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,954.43 : 110,332.37 = 43,648.64 : x
  2. Step 2: Convert to fraction form
    79,954.43/110,332.37 = 43,648.64/x
  3. Step 3: Cross multiply
    79,954.43x = 110,332.37 × 43,648.64
  4. Step 4: Simplify right side
    79,954.43x = 4,815,857,128.57
  5. Step 5: Solve for x
    x = 4,815,857,128.57/79,954.43
  6. Step 6: Final answer
    x = 60,232.53

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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.