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Finding the Fourth Proportional to 95,940.92, 143,911.73 and 29,380.76

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Solution

The fourth proportional to 95,940.92, 143,911.73 and 29,380.76 is: 44,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,940.92 : 143,911.73 = 29,380.76 : x
  2. Step 2: Convert to fraction form
    95,940.92/143,911.73 = 29,380.76/x
  3. Step 3: Cross multiply
    95,940.92x = 143,911.73 × 29,380.76
  4. Step 4: Simplify right side
    95,940.92x = 4,228,236,000.31
  5. Step 5: Solve for x
    x = 4,228,236,000.31/95,940.92
  6. Step 6: Final answer
    x = 44,071.25

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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.