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Finding the Fourth Proportional to 104,143.56, 156,195.72 and 50,782.02

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Solution

The fourth proportional to 104,143.56, 156,195.72 and 50,782.02 is: 76,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,143.56 : 156,195.72 = 50,782.02 : x
  2. Step 2: Convert to fraction form
    104,143.56/156,195.72 = 50,782.02/x
  3. Step 3: Cross multiply
    104,143.56x = 156,195.72 × 50,782.02
  4. Step 4: Simplify right side
    104,143.56x = 7,931,934,176.95
  5. Step 5: Solve for x
    x = 7,931,934,176.95/104,143.56
  6. Step 6: Final answer
    x = 76,163.46

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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.