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Finding the Fourth Proportional to 96,960.50, 145,404.75 and 33,764.40

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Solution

The fourth proportional to 96,960.50, 145,404.75 and 33,764.40 is: 50,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,960.50 : 145,404.75 = 33,764.40 : x
  2. Step 2: Convert to fraction form
    96,960.50/145,404.75 = 33,764.40/x
  3. Step 3: Cross multiply
    96,960.50x = 145,404.75 × 33,764.40
  4. Step 4: Simplify right side
    96,960.50x = 4,909,504,140.90
  5. Step 5: Solve for x
    x = 4,909,504,140.90/96,960.50
  6. Step 6: Final answer
    x = 50,634.06

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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.