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Finding the Fourth Proportional to 79,744.81, 110,048.11 and 43,934.73

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Solution

The fourth proportional to 79,744.81, 110,048.11 and 43,934.73 is: 60,630.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,744.81 : 110,048.11 = 43,934.73 : x
  2. Step 2: Convert to fraction form
    79,744.81/110,048.11 = 43,934.73/x
  3. Step 3: Cross multiply
    79,744.81x = 110,048.11 × 43,934.73
  4. Step 4: Simplify right side
    79,744.81x = 4,834,933,999.86
  5. Step 5: Solve for x
    x = 4,834,933,999.86/79,744.81
  6. Step 6: Final answer
    x = 60,630.08

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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.