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Finding the Fourth Proportional to 110,043.80, 165,064.20 and 35,162.96

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Solution

The fourth proportional to 110,043.80, 165,064.20 and 35,162.96 is: 52,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,043.80 : 165,064.20 = 35,162.96 : x
  2. Step 2: Convert to fraction form
    110,043.80/165,064.20 = 35,162.96/x
  3. Step 3: Cross multiply
    110,043.80x = 165,064.20 × 35,162.96
  4. Step 4: Simplify right side
    110,043.80x = 5,804,145,862.03
  5. Step 5: Solve for x
    x = 5,804,145,862.03/110,043.80
  6. Step 6: Final answer
    x = 52,743.96

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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.