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Finding the Fourth Proportional to 96,344.60, 144,419.70 and 43,791.80

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Solution

The fourth proportional to 96,344.60, 144,419.70 and 43,791.80 is: 65,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,344.60 : 144,419.70 = 43,791.80 : x
  2. Step 2: Convert to fraction form
    96,344.60/144,419.70 = 43,791.80/x
  3. Step 3: Cross multiply
    96,344.60x = 144,419.70 × 43,791.80
  4. Step 4: Simplify right side
    96,344.60x = 6,324,398,618.46
  5. Step 5: Solve for x
    x = 6,324,398,618.46/96,344.60
  6. Step 6: Final answer
    x = 65,643.52

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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.