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Finding the Fourth Proportional to 110,723.60, 165,912.60 and 95,862.80

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Solution

The fourth proportional to 110,723.60, 165,912.60 and 95,862.80 is: 143,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,723.60 : 165,912.60 = 95,862.80 : x
  2. Step 2: Convert to fraction form
    110,723.60/165,912.60 = 95,862.80/x
  3. Step 3: Cross multiply
    110,723.60x = 165,912.60 × 95,862.80
  4. Step 4: Simplify right side
    110,723.60x = 15,904,846,391.28
  5. Step 5: Solve for x
    x = 15,904,846,391.28/110,723.60
  6. Step 6: Final answer
    x = 143,644.59

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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.