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Finding the Fourth Proportional to 79,733.76, 110,028.57 and 43,923

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Solution

The fourth proportional to 79,733.76, 110,028.57 and 43,923 is: 60,611.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,733.76 : 110,028.57 = 43,923 : x
  2. Step 2: Convert to fraction form
    79,733.76/110,028.57 = 43,923/x
  3. Step 3: Cross multiply
    79,733.76x = 110,028.57 × 43,923
  4. Step 4: Simplify right side
    79,733.76x = 4,832,784,880.11
  5. Step 5: Solve for x
    x = 4,832,784,880.11/79,733.76
  6. Step 6: Final answer
    x = 60,611.53

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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.