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Finding the Fourth Proportional to 110,656.18, 165,984.18 and 40,540.96

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Solution

The fourth proportional to 110,656.18, 165,984.18 and 40,540.96 is: 60,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,656.18 : 165,984.18 = 40,540.96 : x
  2. Step 2: Convert to fraction form
    110,656.18/165,984.18 = 40,540.96/x
  3. Step 3: Cross multiply
    110,656.18x = 165,984.18 × 40,540.96
  4. Step 4: Simplify right side
    110,656.18x = 6,729,158,002.01
  5. Step 5: Solve for x
    x = 6,729,158,002.01/110,656.18
  6. Step 6: Final answer
    x = 60,811.41

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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.