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Finding the Fourth Proportional to 50,701.80, 76,099.20 and 25,759.20

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Solution

The fourth proportional to 50,701.80, 76,099.20 and 25,759.20 is: 38,662.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,701.80 : 76,099.20 = 25,759.20 : x
  2. Step 2: Convert to fraction form
    50,701.80/76,099.20 = 25,759.20/x
  3. Step 3: Cross multiply
    50,701.80x = 76,099.20 × 25,759.20
  4. Step 4: Simplify right side
    50,701.80x = 1,960,254,512.64
  5. Step 5: Solve for x
    x = 1,960,254,512.64/50,701.80
  6. Step 6: Final answer
    x = 38,662.42

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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.