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Finding the Fourth Proportional to 96,363.57, 144,544.57 and 75,321.33

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Solution

The fourth proportional to 96,363.57, 144,544.57 and 75,321.33 is: 112,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,363.57 : 144,544.57 = 75,321.33 : x
  2. Step 2: Convert to fraction form
    96,363.57/144,544.57 = 75,321.33/x
  3. Step 3: Cross multiply
    96,363.57x = 144,544.57 × 75,321.33
  4. Step 4: Simplify right side
    96,363.57x = 10,887,288,526.33
  5. Step 5: Solve for x
    x = 10,887,288,526.33/96,363.57
  6. Step 6: Final answer
    x = 112,981.37

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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.