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Finding the Fourth Proportional to 110,138.35, 165,262.41 and 43,626.42

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Solution

The fourth proportional to 110,138.35, 165,262.41 and 43,626.42 is: 65,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,138.35 : 165,262.41 = 43,626.42 : x
  2. Step 2: Convert to fraction form
    110,138.35/165,262.41 = 43,626.42/x
  3. Step 3: Cross multiply
    110,138.35x = 165,262.41 × 43,626.42
  4. Step 4: Simplify right side
    110,138.35x = 7,209,807,308.87
  5. Step 5: Solve for x
    x = 7,209,807,308.87/110,138.35
  6. Step 6: Final answer
    x = 65,461.37

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1.5x scale

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.