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Finding the Fourth Proportional to 96,959.50, 145,403.25 and 33,763.40

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Solution

The fourth proportional to 96,959.50, 145,403.25 and 33,763.40 is: 50,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,959.50 : 145,403.25 = 33,763.40 : x
  2. Step 2: Convert to fraction form
    96,959.50/145,403.25 = 33,763.40/x
  3. Step 3: Cross multiply
    96,959.50x = 145,403.25 × 33,763.40
  4. Step 4: Simplify right side
    96,959.50x = 4,909,307,782.68
  5. Step 5: Solve for x
    x = 4,909,307,782.68/96,959.50
  6. Step 6: Final answer
    x = 50,632.56

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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.