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Finding the Fourth Proportional to 79,115.27, 118,562.13 and 56,824.27

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Solution

The fourth proportional to 79,115.27, 118,562.13 and 56,824.27 is: 85,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115.27 : 118,562.13 = 56,824.27 : x
  2. Step 2: Convert to fraction form
    79,115.27/118,562.13 = 56,824.27/x
  3. Step 3: Cross multiply
    79,115.27x = 118,562.13 × 56,824.27
  4. Step 4: Simplify right side
    79,115.27x = 6,737,206,190.49
  5. Step 5: Solve for x
    x = 6,737,206,190.49/79,115.27
  6. Step 6: Final answer
    x = 85,156.84

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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.