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Finding the Fourth Proportional to 50,647.80, 76,101.30 and 44,945.40

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Solution

The fourth proportional to 50,647.80, 76,101.30 and 44,945.40 is: 67,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,647.80 : 76,101.30 = 44,945.40 : x
  2. Step 2: Convert to fraction form
    50,647.80/76,101.30 = 44,945.40/x
  3. Step 3: Cross multiply
    50,647.80x = 76,101.30 × 44,945.40
  4. Step 4: Simplify right side
    50,647.80x = 3,420,403,369.02
  5. Step 5: Solve for x
    x = 3,420,403,369.02/50,647.80
  6. Step 6: Final answer
    x = 67,533.11

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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.