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Finding the Fourth Proportional to 200,348.88, 276,481.56 and 124,897.68

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Solution

The fourth proportional to 200,348.88, 276,481.56 and 124,897.68 is: 172,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,348.88 : 276,481.56 = 124,897.68 : x
  2. Step 2: Convert to fraction form
    200,348.88/276,481.56 = 124,897.68/x
  3. Step 3: Cross multiply
    200,348.88x = 276,481.56 × 124,897.68
  4. Step 4: Simplify right side
    200,348.88x = 34,531,905,406.78
  5. Step 5: Solve for x
    x = 34,531,905,406.78/200,348.88
  6. Step 6: Final answer
    x = 172,358.86

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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.