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Finding the Fourth Proportional to 50,213.92, 75,172.95 and 43,986.10

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Solution

The fourth proportional to 50,213.92, 75,172.95 and 43,986.10 is: 65,849.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,213.92 : 75,172.95 = 43,986.10 : x
  2. Step 2: Convert to fraction form
    50,213.92/75,172.95 = 43,986.10/x
  3. Step 3: Cross multiply
    50,213.92x = 75,172.95 × 43,986.10
  4. Step 4: Simplify right side
    50,213.92x = 3,306,564,896.00
  5. Step 5: Solve for x
    x = 3,306,564,896.00/50,213.92
  6. Step 6: Final answer
    x = 65,849.57

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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.