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Finding the Fourth Proportional to 223,471.32, 335,134.98 and 73,676.76

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Solution

The fourth proportional to 223,471.32, 335,134.98 and 73,676.76 is: 110,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,471.32 : 335,134.98 = 73,676.76 : x
  2. Step 2: Convert to fraction form
    223,471.32/335,134.98 = 73,676.76/x
  3. Step 3: Cross multiply
    223,471.32x = 335,134.98 × 73,676.76
  4. Step 4: Simplify right side
    223,471.32x = 24,691,659,489.06
  5. Step 5: Solve for x
    x = 24,691,659,489.06/223,471.32
  6. Step 6: Final answer
    x = 110,491.40

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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.