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Finding the Fourth Proportional to 79,841, 110,181.39 and 48,010.43

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Solution

The fourth proportional to 79,841, 110,181.39 and 48,010.43 is: 66,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841 : 110,181.39 = 48,010.43 : x
  2. Step 2: Convert to fraction form
    79,841/110,181.39 = 48,010.43/x
  3. Step 3: Cross multiply
    79,841x = 110,181.39 × 48,010.43
  4. Step 4: Simplify right side
    79,841x = 5,289,855,911.90
  5. Step 5: Solve for x
    x = 5,289,855,911.90/79,841
  6. Step 6: Final answer
    x = 66,254.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.