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Finding the Fourth Proportional to 104,494.55, 156,720.87 and 51,163.55

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Solution

The fourth proportional to 104,494.55, 156,720.87 and 51,163.55 is: 76,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,494.55 : 156,720.87 = 51,163.55 : x
  2. Step 2: Convert to fraction form
    104,494.55/156,720.87 = 51,163.55/x
  3. Step 3: Cross multiply
    104,494.55x = 156,720.87 × 51,163.55
  4. Step 4: Simplify right side
    104,494.55x = 8,018,396,068.29
  5. Step 5: Solve for x
    x = 8,018,396,068.29/104,494.55
  6. Step 6: Final answer
    x = 76,735.06

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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.