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Finding the Fourth Proportional to 79,324.82, 118,987.63 and 26,734.76

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Solution

The fourth proportional to 79,324.82, 118,987.63 and 26,734.76 is: 40,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,324.82 : 118,987.63 = 26,734.76 : x
  2. Step 2: Convert to fraction form
    79,324.82/118,987.63 = 26,734.76/x
  3. Step 3: Cross multiply
    79,324.82x = 118,987.63 × 26,734.76
  4. Step 4: Simplify right side
    79,324.82x = 3,181,105,136.08
  5. Step 5: Solve for x
    x = 3,181,105,136.08/79,324.82
  6. Step 6: Final answer
    x = 40,102.27

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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.