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Finding the Fourth Proportional to 191,049.30, 263,649.22 and 119,471.22

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Solution

The fourth proportional to 191,049.30, 263,649.22 and 119,471.22 is: 164,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,049.30 : 263,649.22 = 119,471.22 : x
  2. Step 2: Convert to fraction form
    191,049.30/263,649.22 = 119,471.22/x
  3. Step 3: Cross multiply
    191,049.30x = 263,649.22 × 119,471.22
  4. Step 4: Simplify right side
    191,049.30x = 31,498,493,965.45
  5. Step 5: Solve for x
    x = 31,498,493,965.45/191,049.30
  6. Step 6: Final answer
    x = 164,871.03

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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.