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Finding the Fourth Proportional to 79,814.57, 110,144.92 and 44,005.86

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Solution

The fourth proportional to 79,814.57, 110,144.92 and 44,005.86 is: 60,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,814.57 : 110,144.92 = 44,005.86 : x
  2. Step 2: Convert to fraction form
    79,814.57/110,144.92 = 44,005.86/x
  3. Step 3: Cross multiply
    79,814.57x = 110,144.92 × 44,005.86
  4. Step 4: Simplify right side
    79,814.57x = 4,847,021,762.12
  5. Step 5: Solve for x
    x = 4,847,021,762.12/79,814.57
  6. Step 6: Final answer
    x = 60,728.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.