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Finding the Fourth Proportional to 84,563.69, 126,891.97 and 49,068.41

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Solution

The fourth proportional to 84,563.69, 126,891.97 and 49,068.41 is: 73,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,563.69 : 126,891.97 = 49,068.41 : x
  2. Step 2: Convert to fraction form
    84,563.69/126,891.97 = 49,068.41/x
  3. Step 3: Cross multiply
    84,563.69x = 126,891.97 × 49,068.41
  4. Step 4: Simplify right side
    84,563.69x = 6,226,386,452.54
  5. Step 5: Solve for x
    x = 6,226,386,452.54/84,563.69
  6. Step 6: Final answer
    x = 73,629.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.