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Finding the Fourth Proportional to 79,969.44, 110,358.72 and 44,159.40

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Solution

The fourth proportional to 79,969.44, 110,358.72 and 44,159.40 is: 60,940.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,969.44 : 110,358.72 = 44,159.40 : x
  2. Step 2: Convert to fraction form
    79,969.44/110,358.72 = 44,159.40/x
  3. Step 3: Cross multiply
    79,969.44x = 110,358.72 × 44,159.40
  4. Step 4: Simplify right side
    79,969.44x = 4,873,374,859.97
  5. Step 5: Solve for x
    x = 4,873,374,859.97/79,969.44
  6. Step 6: Final answer
    x = 60,940.47

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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.