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Finding the Fourth Proportional to 50,191.20, 75,286.80 and 16,900.20

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Solution

The fourth proportional to 50,191.20, 75,286.80 and 16,900.20 is: 25,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,191.20 : 75,286.80 = 16,900.20 : x
  2. Step 2: Convert to fraction form
    50,191.20/75,286.80 = 16,900.20/x
  3. Step 3: Cross multiply
    50,191.20x = 75,286.80 × 16,900.20
  4. Step 4: Simplify right side
    50,191.20x = 1,272,361,977.36
  5. Step 5: Solve for x
    x = 1,272,361,977.36/50,191.20
  6. Step 6: Final answer
    x = 25,350.30

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1.5x scale

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.