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Finding the Fourth Proportional to 193,879.47, 267,592.06 and 125,800.90

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Solution

The fourth proportional to 193,879.47, 267,592.06 and 125,800.90 is: 173,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,879.47 : 267,592.06 = 125,800.90 : x
  2. Step 2: Convert to fraction form
    193,879.47/267,592.06 = 125,800.90/x
  3. Step 3: Cross multiply
    193,879.47x = 267,592.06 × 125,800.90
  4. Step 4: Simplify right side
    193,879.47x = 33,663,320,761.49
  5. Step 5: Solve for x
    x = 33,663,320,761.49/193,879.47
  6. Step 6: Final answer
    x = 173,630.14

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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.