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Finding the Fourth Proportional to 191,305.56, 263,844.46 and 169,811

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Solution

The fourth proportional to 191,305.56, 263,844.46 and 169,811 is: 234,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,305.56 : 263,844.46 = 169,811 : x
  2. Step 2: Convert to fraction form
    191,305.56/263,844.46 = 169,811/x
  3. Step 3: Cross multiply
    191,305.56x = 263,844.46 × 169,811
  4. Step 4: Simplify right side
    191,305.56x = 44,803,691,597.06
  5. Step 5: Solve for x
    x = 44,803,691,597.06/191,305.56
  6. Step 6: Final answer
    x = 234,199.63

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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.