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Finding the Fourth Proportional to 79,548.97, 109,777.99 and 43,741.29

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Solution

The fourth proportional to 79,548.97, 109,777.99 and 43,741.29 is: 60,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,548.97 : 109,777.99 = 43,741.29 : x
  2. Step 2: Convert to fraction form
    79,548.97/109,777.99 = 43,741.29/x
  3. Step 3: Cross multiply
    79,548.97x = 109,777.99 × 43,741.29
  4. Step 4: Simplify right side
    79,548.97x = 4,801,830,128.61
  5. Step 5: Solve for x
    x = 4,801,830,128.61/79,548.97
  6. Step 6: Final answer
    x = 60,363.20

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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.