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Finding the Fourth Proportional to 141,163.74, 211,772.70 and 56,932.41

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Solution

The fourth proportional to 141,163.74, 211,772.70 and 56,932.41 is: 85,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,163.74 : 211,772.70 = 56,932.41 : x
  2. Step 2: Convert to fraction form
    141,163.74/211,772.70 = 56,932.41/x
  3. Step 3: Cross multiply
    141,163.74x = 211,772.70 × 56,932.41
  4. Step 4: Simplify right side
    141,163.74x = 12,056,730,183.21
  5. Step 5: Solve for x
    x = 12,056,730,183.21/141,163.74
  6. Step 6: Final answer
    x = 85,409.54

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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.