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Finding the Fourth Proportional to 79,751.65, 110,057.18 and 43,941.65

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Solution

The fourth proportional to 79,751.65, 110,057.18 and 43,941.65 is: 60,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,751.65 : 110,057.18 = 43,941.65 : x
  2. Step 2: Convert to fraction form
    79,751.65/110,057.18 = 43,941.65/x
  3. Step 3: Cross multiply
    79,751.65x = 110,057.18 × 43,941.65
  4. Step 4: Simplify right side
    79,751.65x = 4,836,093,533.26
  5. Step 5: Solve for x
    x = 4,836,093,533.26/79,751.65
  6. Step 6: Final answer
    x = 60,639.42

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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.