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Finding the Fourth Proportional to 66,052.69, 99,020.71 and 50,539.57

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Solution

The fourth proportional to 66,052.69, 99,020.71 and 50,539.57 is: 75,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,052.69 : 99,020.71 = 50,539.57 : x
  2. Step 2: Convert to fraction form
    66,052.69/99,020.71 = 50,539.57/x
  3. Step 3: Cross multiply
    66,052.69x = 99,020.71 × 50,539.57
  4. Step 4: Simplify right side
    66,052.69x = 5,004,464,104.49
  5. Step 5: Solve for x
    x = 5,004,464,104.49/66,052.69
  6. Step 6: Final answer
    x = 75,764.73

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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.