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Finding the Fourth Proportional to 200,481.43, 276,664.59 and 108,600.93

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Solution

The fourth proportional to 200,481.43, 276,664.59 and 108,600.93 is: 149,869.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,481.43 : 276,664.59 = 108,600.93 : x
  2. Step 2: Convert to fraction form
    200,481.43/276,664.59 = 108,600.93/x
  3. Step 3: Cross multiply
    200,481.43x = 276,664.59 × 108,600.93
  4. Step 4: Simplify right side
    200,481.43x = 30,046,031,772.07
  5. Step 5: Solve for x
    x = 30,046,031,772.07/200,481.43
  6. Step 6: Final answer
    x = 149,869.40

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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.