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Finding the Fourth Proportional to 96,346.60, 144,422.70 and 43,793.80

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Solution

The fourth proportional to 96,346.60, 144,422.70 and 43,793.80 is: 65,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,346.60 : 144,422.70 = 43,793.80 : x
  2. Step 2: Convert to fraction form
    96,346.60/144,422.70 = 43,793.80/x
  3. Step 3: Cross multiply
    96,346.60x = 144,422.70 × 43,793.80
  4. Step 4: Simplify right side
    96,346.60x = 6,324,818,839.26
  5. Step 5: Solve for x
    x = 6,324,818,839.26/96,346.60
  6. Step 6: Final answer
    x = 65,646.52

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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.