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Finding the Fourth Proportional to 50,236.80, 75,355.20 and 13,300.80

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Solution

The fourth proportional to 50,236.80, 75,355.20 and 13,300.80 is: 19,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,236.80 : 75,355.20 = 13,300.80 : x
  2. Step 2: Convert to fraction form
    50,236.80/75,355.20 = 13,300.80/x
  3. Step 3: Cross multiply
    50,236.80x = 75,355.20 × 13,300.80
  4. Step 4: Simplify right side
    50,236.80x = 1,002,284,444.16
  5. Step 5: Solve for x
    x = 1,002,284,444.16/50,236.80
  6. Step 6: Final answer
    x = 19,951.20

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