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Finding the Fourth Proportional to 110,626.40, 165,939.60 and 73,228.70

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Solution

The fourth proportional to 110,626.40, 165,939.60 and 73,228.70 is: 109,843.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,626.40 : 165,939.60 = 73,228.70 : x
  2. Step 2: Convert to fraction form
    110,626.40/165,939.60 = 73,228.70/x
  3. Step 3: Cross multiply
    110,626.40x = 165,939.60 × 73,228.70
  4. Step 4: Simplify right side
    110,626.40x = 12,151,541,186.52
  5. Step 5: Solve for x
    x = 12,151,541,186.52/110,626.40
  6. Step 6: Final answer
    x = 109,843.05

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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.