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Finding the Fourth Proportional to 79,837.76, 110,171.40 and 44,028.20

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Solution

The fourth proportional to 79,837.76, 110,171.40 and 44,028.20 is: 60,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,837.76 : 110,171.40 = 44,028.20 : x
  2. Step 2: Convert to fraction form
    79,837.76/110,171.40 = 44,028.20/x
  3. Step 3: Cross multiply
    79,837.76x = 110,171.40 × 44,028.20
  4. Step 4: Simplify right side
    79,837.76x = 4,850,648,433.48
  5. Step 5: Solve for x
    x = 4,850,648,433.48/79,837.76
  6. Step 6: Final answer
    x = 60,756.32

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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.