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Finding the Fourth Proportional to 73,181.92, 100,996.98 and 41,357.42

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Solution

The fourth proportional to 73,181.92, 100,996.98 and 41,357.42 is: 57,076.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,181.92 : 100,996.98 = 41,357.42 : x
  2. Step 2: Convert to fraction form
    73,181.92/100,996.98 = 41,357.42/x
  3. Step 3: Cross multiply
    73,181.92x = 100,996.98 × 41,357.42
  4. Step 4: Simplify right side
    73,181.92x = 4,176,974,520.59
  5. Step 5: Solve for x
    x = 4,176,974,520.59/73,181.92
  6. Step 6: Final answer
    x = 57,076.59

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1.5x scale

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.