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Finding the Fourth Proportional to 200,372.83, 276,512.52 and 108,491.67

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Solution

The fourth proportional to 200,372.83, 276,512.52 and 108,491.67 is: 149,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,372.83 : 276,512.52 = 108,491.67 : x
  2. Step 2: Convert to fraction form
    200,372.83/276,512.52 = 108,491.67/x
  3. Step 3: Cross multiply
    200,372.83x = 276,512.52 × 108,491.67
  4. Step 4: Simplify right side
    200,372.83x = 29,999,305,070.71
  5. Step 5: Solve for x
    x = 29,999,305,070.71/200,372.83
  6. Step 6: Final answer
    x = 149,717.43

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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.