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Finding the Fourth Proportional to 79,794.47, 110,115.63 and 43,495.91

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Solution

The fourth proportional to 79,794.47, 110,115.63 and 43,495.91 is: 60,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.47 : 110,115.63 = 43,495.91 : x
  2. Step 2: Convert to fraction form
    79,794.47/110,115.63 = 43,495.91/x
  3. Step 3: Cross multiply
    79,794.47x = 110,115.63 × 43,495.91
  4. Step 4: Simplify right side
    79,794.47x = 4,789,578,981.50
  5. Step 5: Solve for x
    x = 4,789,578,981.50/79,794.47
  6. Step 6: Final answer
    x = 60,023.95

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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.