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Finding the Fourth Proportional to 110,449.20, 165,722.40 and 51,254.40

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Solution

The fourth proportional to 110,449.20, 165,722.40 and 51,254.40 is: 76,904.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,449.20 : 165,722.40 = 51,254.40 : x
  2. Step 2: Convert to fraction form
    110,449.20/165,722.40 = 51,254.40/x
  3. Step 3: Cross multiply
    110,449.20x = 165,722.40 × 51,254.40
  4. Step 4: Simplify right side
    110,449.20x = 8,494,002,178.56
  5. Step 5: Solve for x
    x = 8,494,002,178.56/110,449.20
  6. Step 6: Final answer
    x = 76,904.15

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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.