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Finding the Fourth Proportional to 73,162.20, 109,655.82 and 33,679.56

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Solution

The fourth proportional to 73,162.20, 109,655.82 and 33,679.56 is: 50,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,162.20 : 109,655.82 = 33,679.56 : x
  2. Step 2: Convert to fraction form
    73,162.20/109,655.82 = 33,679.56/x
  3. Step 3: Cross multiply
    73,162.20x = 109,655.82 × 33,679.56
  4. Step 4: Simplify right side
    73,162.20x = 3,693,159,769.04
  5. Step 5: Solve for x
    x = 3,693,159,769.04/73,162.20
  6. Step 6: Final answer
    x = 50,479.07

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1.5x scale

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.