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Finding the Fourth Proportional to 110,443.80, 165,725.16 and 43,884.53

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Solution

The fourth proportional to 110,443.80, 165,725.16 and 43,884.53 is: 65,850.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,443.80 : 165,725.16 = 43,884.53 : x
  2. Step 2: Convert to fraction form
    110,443.80/165,725.16 = 43,884.53/x
  3. Step 3: Cross multiply
    110,443.80x = 165,725.16 × 43,884.53
  4. Step 4: Simplify right side
    110,443.80x = 7,272,771,170.09
  5. Step 5: Solve for x
    x = 7,272,771,170.09/110,443.80
  6. Step 6: Final answer
    x = 65,850.43

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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.