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Finding the Fourth Proportional to 110,317.89, 165,443.84 and 40,180.80

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Solution

The fourth proportional to 110,317.89, 165,443.84 and 40,180.80 is: 60,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,317.89 : 165,443.84 = 40,180.80 : x
  2. Step 2: Convert to fraction form
    110,317.89/165,443.84 = 40,180.80/x
  3. Step 3: Cross multiply
    110,317.89x = 165,443.84 × 40,180.80
  4. Step 4: Simplify right side
    110,317.89x = 6,647,665,019.05
  5. Step 5: Solve for x
    x = 6,647,665,019.05/110,317.89
  6. Step 6: Final answer
    x = 60,259.18

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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.