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Finding the Fourth Proportional to 79,216.94, 118,819.64 and 29,273.76

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Solution

The fourth proportional to 79,216.94, 118,819.64 and 29,273.76 is: 43,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,216.94 : 118,819.64 = 29,273.76 : x
  2. Step 2: Convert to fraction form
    79,216.94/118,819.64 = 29,273.76/x
  3. Step 3: Cross multiply
    79,216.94x = 118,819.64 × 29,273.76
  4. Step 4: Simplify right side
    79,216.94x = 3,478,297,697.83
  5. Step 5: Solve for x
    x = 3,478,297,697.83/79,216.94
  6. Step 6: Final answer
    x = 43,908.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.