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Finding the Fourth Proportional to 110,525.58, 165,665.25 and 43,947.90

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Solution

The fourth proportional to 110,525.58, 165,665.25 and 43,947.90 is: 65,872.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,525.58 : 165,665.25 = 43,947.90 : x
  2. Step 2: Convert to fraction form
    110,525.58/165,665.25 = 43,947.90/x
  3. Step 3: Cross multiply
    110,525.58x = 165,665.25 × 43,947.90
  4. Step 4: Simplify right side
    110,525.58x = 7,280,639,840.48
  5. Step 5: Solve for x
    x = 7,280,639,840.48/110,525.58
  6. Step 6: Final answer
    x = 65,872.89

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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.