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Finding the Fourth Proportional to 132,481.47, 198,731.48 and 43,797.41

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Solution

The fourth proportional to 132,481.47, 198,731.48 and 43,797.41 is: 65,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,481.47 : 198,731.48 = 43,797.41 : x
  2. Step 2: Convert to fraction form
    132,481.47/198,731.48 = 43,797.41/x
  3. Step 3: Cross multiply
    132,481.47x = 198,731.48 × 43,797.41
  4. Step 4: Simplify right side
    132,481.47x = 8,703,923,642.07
  5. Step 5: Solve for x
    x = 8,703,923,642.07/132,481.47
  6. Step 6: Final answer
    x = 65,699.18

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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.