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Finding the Fourth Proportional to 66,797.80, 100,200.81 and 29,375.49

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Solution

The fourth proportional to 66,797.80, 100,200.81 and 29,375.49 is: 44,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,797.80 : 100,200.81 = 29,375.49 : x
  2. Step 2: Convert to fraction form
    66,797.80/100,200.81 = 29,375.49/x
  3. Step 3: Cross multiply
    66,797.80x = 100,200.81 × 29,375.49
  4. Step 4: Simplify right side
    66,797.80x = 2,943,448,378.06
  5. Step 5: Solve for x
    x = 2,943,448,378.06/66,797.80
  6. Step 6: Final answer
    x = 44,065.05

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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.