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Finding the Fourth Proportional to 253,671.50, 350,062.38 and 140,491.82

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Solution

The fourth proportional to 253,671.50, 350,062.38 and 140,491.82 is: 193,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,671.50 : 350,062.38 = 140,491.82 : x
  2. Step 2: Convert to fraction form
    253,671.50/350,062.38 = 140,491.82/x
  3. Step 3: Cross multiply
    253,671.50x = 350,062.38 × 140,491.82
  4. Step 4: Simplify right side
    253,671.50x = 49,180,900,879.73
  5. Step 5: Solve for x
    x = 49,180,900,879.73/253,671.50
  6. Step 6: Final answer
    x = 193,876.34

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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.