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Finding the Fourth Proportional to 79,227.89, 118,835.96 and 29,284.64

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Solution

The fourth proportional to 79,227.89, 118,835.96 and 29,284.64 is: 43,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227.89 : 118,835.96 = 29,284.64 : x
  2. Step 2: Convert to fraction form
    79,227.89/118,835.96 = 29,284.64/x
  3. Step 3: Cross multiply
    79,227.89x = 118,835.96 × 29,284.64
  4. Step 4: Simplify right side
    79,227.89x = 3,480,067,567.05
  5. Step 5: Solve for x
    x = 3,480,067,567.05/79,227.89
  6. Step 6: Final answer
    x = 43,924.78

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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.