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Finding the Fourth Proportional to 79,811.87, 110,138.29 and 44,001.25

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Solution

The fourth proportional to 79,811.87, 110,138.29 and 44,001.25 is: 60,720.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,811.87 : 110,138.29 = 44,001.25 : x
  2. Step 2: Convert to fraction form
    79,811.87/110,138.29 = 44,001.25/x
  3. Step 3: Cross multiply
    79,811.87x = 110,138.29 × 44,001.25
  4. Step 4: Simplify right side
    79,811.87x = 4,846,222,047.51
  5. Step 5: Solve for x
    x = 4,846,222,047.51/79,811.87
  6. Step 6: Final answer
    x = 60,720.57

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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.