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Finding the Fourth Proportional to 200,529, 276,730.05 and 119,959.92

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Solution

The fourth proportional to 200,529, 276,730.05 and 119,959.92 is: 165,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,529 : 276,730.05 = 119,959.92 : x
  2. Step 2: Convert to fraction form
    200,529/276,730.05 = 119,959.92/x
  3. Step 3: Cross multiply
    200,529x = 276,730.05 × 119,959.92
  4. Step 4: Simplify right side
    200,529x = 33,196,514,659.60
  5. Step 5: Solve for x
    x = 33,196,514,659.60/200,529
  6. Step 6: Final answer
    x = 165,544.71

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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.