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Finding the Fourth Proportional to 200,556, 276,767.28 and 119,986.92

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Solution

The fourth proportional to 200,556, 276,767.28 and 119,986.92 is: 165,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,556 : 276,767.28 = 119,986.92 : x
  2. Step 2: Convert to fraction form
    200,556/276,767.28 = 119,986.92/x
  3. Step 3: Cross multiply
    200,556x = 276,767.28 × 119,986.92
  4. Step 4: Simplify right side
    200,556x = 33,208,453,483.98
  5. Step 5: Solve for x
    x = 33,208,453,483.98/200,556
  6. Step 6: Final answer
    x = 165,581.95

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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.