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Finding the Fourth Proportional to 169,511.73, 254,309.51 and 119,689.44

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Solution

The fourth proportional to 169,511.73, 254,309.51 and 119,689.44 is: 179,563.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,511.73 : 254,309.51 = 119,689.44 : x
  2. Step 2: Convert to fraction form
    169,511.73/254,309.51 = 119,689.44/x
  3. Step 3: Cross multiply
    169,511.73x = 254,309.51 × 119,689.44
  4. Step 4: Simplify right side
    169,511.73x = 30,438,162,838.57
  5. Step 5: Solve for x
    x = 30,438,162,838.57/169,511.73
  6. Step 6: Final answer
    x = 179,563.76

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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.