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Finding the Fourth Proportional to 63,410.20, 95,000.10 and 51,659.80

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Solution

The fourth proportional to 63,410.20, 95,000.10 and 51,659.80 is: 77,395.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,410.20 : 95,000.10 = 51,659.80 : x
  2. Step 2: Convert to fraction form
    63,410.20/95,000.10 = 51,659.80/x
  3. Step 3: Cross multiply
    63,410.20x = 95,000.10 × 51,659.80
  4. Step 4: Simplify right side
    63,410.20x = 4,907,686,165.98
  5. Step 5: Solve for x
    x = 4,907,686,165.98/63,410.20
  6. Step 6: Final answer
    x = 77,395.85

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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.