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Finding the Fourth Proportional to 110,464.40, 165,599.40 and 66,108.80

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Solution

The fourth proportional to 110,464.40, 165,599.40 and 66,108.80 is: 99,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,464.40 : 165,599.40 = 66,108.80 : x
  2. Step 2: Convert to fraction form
    110,464.40/165,599.40 = 66,108.80/x
  3. Step 3: Cross multiply
    110,464.40x = 165,599.40 × 66,108.80
  4. Step 4: Simplify right side
    110,464.40x = 10,947,577,614.72
  5. Step 5: Solve for x
    x = 10,947,577,614.72/110,464.40
  6. Step 6: Final answer
    x = 99,105.03

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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.