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Finding the Fourth Proportional to 110,615.60, 165,793.80 and 82,881.20

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Solution

The fourth proportional to 110,615.60, 165,793.80 and 82,881.20 is: 124,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,615.60 : 165,793.80 = 82,881.20 : x
  2. Step 2: Convert to fraction form
    110,615.60/165,793.80 = 82,881.20/x
  3. Step 3: Cross multiply
    110,615.60x = 165,793.80 × 82,881.20
  4. Step 4: Simplify right side
    110,615.60x = 13,741,189,096.56
  5. Step 5: Solve for x
    x = 13,741,189,096.56/110,615.60
  6. Step 6: Final answer
    x = 124,224.69

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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.