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Finding the Fourth Proportional to 96,999.44, 145,472.52 and 68,835.92

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Solution

The fourth proportional to 96,999.44, 145,472.52 and 68,835.92 is: 103,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,999.44 : 145,472.52 = 68,835.92 : x
  2. Step 2: Convert to fraction form
    96,999.44/145,472.52 = 68,835.92/x
  3. Step 3: Cross multiply
    96,999.44x = 145,472.52 × 68,835.92
  4. Step 4: Simplify right side
    96,999.44x = 10,013,734,748.92
  5. Step 5: Solve for x
    x = 10,013,734,748.92/96,999.44
  6. Step 6: Final answer
    x = 103,234.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.