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Finding the Fourth Proportional to 83,670.86, 125,512.06 and 33,751.38

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Solution

The fourth proportional to 83,670.86, 125,512.06 and 33,751.38 is: 50,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670.86 : 125,512.06 = 33,751.38 : x
  2. Step 2: Convert to fraction form
    83,670.86/125,512.06 = 33,751.38/x
  3. Step 3: Cross multiply
    83,670.86x = 125,512.06 × 33,751.38
  4. Step 4: Simplify right side
    83,670.86x = 4,236,205,231.64
  5. Step 5: Solve for x
    x = 4,236,205,231.64/83,670.86
  6. Step 6: Final answer
    x = 50,629.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.