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Finding the Fourth Proportional to 79,227.58, 118,841.64 and 20,063.22

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Solution

The fourth proportional to 79,227.58, 118,841.64 and 20,063.22 is: 30,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227.58 : 118,841.64 = 20,063.22 : x
  2. Step 2: Convert to fraction form
    79,227.58/118,841.64 = 20,063.22/x
  3. Step 3: Cross multiply
    79,227.58x = 118,841.64 × 20,063.22
  4. Step 4: Simplify right side
    79,227.58x = 2,384,345,968.48
  5. Step 5: Solve for x
    x = 2,384,345,968.48/79,227.58
  6. Step 6: Final answer
    x = 30,094.90

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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.