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Finding the Fourth Proportional to 79,329.90, 118,882.97 and 43,807.22

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Solution

The fourth proportional to 79,329.90, 118,882.97 and 43,807.22 is: 65,649.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,329.90 : 118,882.97 = 43,807.22 : x
  2. Step 2: Convert to fraction form
    79,329.90/118,882.97 = 43,807.22/x
  3. Step 3: Cross multiply
    79,329.90x = 118,882.97 × 43,807.22
  4. Step 4: Simplify right side
    79,329.90x = 5,207,932,217.68
  5. Step 5: Solve for x
    x = 5,207,932,217.68/79,329.90
  6. Step 6: Final answer
    x = 65,649.04

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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.