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Finding the Fourth Proportional to 199,167.21, 274,850.69 and 108,523.10

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Solution

The fourth proportional to 199,167.21, 274,850.69 and 108,523.10 is: 149,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,167.21 : 274,850.69 = 108,523.10 : x
  2. Step 2: Convert to fraction form
    199,167.21/274,850.69 = 108,523.10/x
  3. Step 3: Cross multiply
    199,167.21x = 274,850.69 × 108,523.10
  4. Step 4: Simplify right side
    199,167.21x = 29,827,646,999.07
  5. Step 5: Solve for x
    x = 29,827,646,999.07/199,167.21
  6. Step 6: Final answer
    x = 149,761.84

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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.