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Finding the Fourth Proportional to 100,486.44, 150,732.84 and 50,539.26

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Solution

The fourth proportional to 100,486.44, 150,732.84 and 50,539.26 is: 75,810.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,486.44 : 150,732.84 = 50,539.26 : x
  2. Step 2: Convert to fraction form
    100,486.44/150,732.84 = 50,539.26/x
  3. Step 3: Cross multiply
    100,486.44x = 150,732.84 × 50,539.26
  4. Step 4: Simplify right side
    100,486.44x = 7,617,926,191.30
  5. Step 5: Solve for x
    x = 7,617,926,191.30/100,486.44
  6. Step 6: Final answer
    x = 75,810.49

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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.