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Finding the Fourth Proportional to 79,792.88, 110,114.18 and 43,983.67

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Solution

The fourth proportional to 79,792.88, 110,114.18 and 43,983.67 is: 60,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,792.88 : 110,114.18 = 43,983.67 : x
  2. Step 2: Convert to fraction form
    79,792.88/110,114.18 = 43,983.67/x
  3. Step 3: Cross multiply
    79,792.88x = 110,114.18 × 43,983.67
  4. Step 4: Simplify right side
    79,792.88x = 4,843,225,755.44
  5. Step 5: Solve for x
    x = 4,843,225,755.44/79,792.88
  6. Step 6: Final answer
    x = 60,697.47

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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.