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Finding the Fourth Proportional to 169,163.84, 253,751.94 and 56,847.83

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Solution

The fourth proportional to 169,163.84, 253,751.94 and 56,847.83 is: 85,273.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,163.84 : 253,751.94 = 56,847.83 : x
  2. Step 2: Convert to fraction form
    169,163.84/253,751.94 = 56,847.83/x
  3. Step 3: Cross multiply
    169,163.84x = 253,751.94 × 56,847.83
  4. Step 4: Simplify right side
    169,163.84x = 14,425,245,878.53
  5. Step 5: Solve for x
    x = 14,425,245,878.53/169,163.84
  6. Step 6: Final answer
    x = 85,273.81

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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.