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Finding the Fourth Proportional to 79,924.72, 110,288.26 and 44,112.42

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Solution

The fourth proportional to 79,924.72, 110,288.26 and 44,112.42 is: 60,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,924.72 : 110,288.26 = 44,112.42 : x
  2. Step 2: Convert to fraction form
    79,924.72/110,288.26 = 44,112.42/x
  3. Step 3: Cross multiply
    79,924.72x = 110,288.26 × 44,112.42
  4. Step 4: Simplify right side
    79,924.72x = 4,865,082,046.19
  5. Step 5: Solve for x
    x = 4,865,082,046.19/79,924.72
  6. Step 6: Final answer
    x = 60,870.81

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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.