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Finding the Fourth Proportional to 79,968.53, 110,356.89 and 44,159.78

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Solution

The fourth proportional to 79,968.53, 110,356.89 and 44,159.78 is: 60,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,968.53 : 110,356.89 = 44,159.78 : x
  2. Step 2: Convert to fraction form
    79,968.53/110,356.89 = 44,159.78/x
  3. Step 3: Cross multiply
    79,968.53x = 110,356.89 × 44,159.78
  4. Step 4: Simplify right side
    79,968.53x = 4,873,335,983.88
  5. Step 5: Solve for x
    x = 4,873,335,983.88/79,968.53
  6. Step 6: Final answer
    x = 60,940.67

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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.