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Finding the Fourth Proportional to 79,504.30, 109,710.62 and 43,693.54

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Solution

The fourth proportional to 79,504.30, 109,710.62 and 43,693.54 is: 60,294.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,504.30 : 109,710.62 = 43,693.54 : x
  2. Step 2: Convert to fraction form
    79,504.30/109,710.62 = 43,693.54/x
  3. Step 3: Cross multiply
    79,504.30x = 109,710.62 × 43,693.54
  4. Step 4: Simplify right side
    79,504.30x = 4,793,645,363.39
  5. Step 5: Solve for x
    x = 4,793,645,363.39/79,504.30
  6. Step 6: Final answer
    x = 60,294.16

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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.