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Finding the Fourth Proportional to 79,594.56, 109,842.20 and 43,784.58

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Solution

The fourth proportional to 79,594.56, 109,842.20 and 43,784.58 is: 60,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,594.56 : 109,842.20 = 43,784.58 : x
  2. Step 2: Convert to fraction form
    79,594.56/109,842.20 = 43,784.58/x
  3. Step 3: Cross multiply
    79,594.56x = 109,842.20 × 43,784.58
  4. Step 4: Simplify right side
    79,594.56x = 4,809,394,593.28
  5. Step 5: Solve for x
    x = 4,809,394,593.28/79,594.56
  6. Step 6: Final answer
    x = 60,423.66

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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.