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Finding the Fourth Proportional to 100,539.26, 150,808.80 and 25,659.41

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Solution

The fourth proportional to 100,539.26, 150,808.80 and 25,659.41 is: 38,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,539.26 : 150,808.80 = 25,659.41 : x
  2. Step 2: Convert to fraction form
    100,539.26/150,808.80 = 25,659.41/x
  3. Step 3: Cross multiply
    100,539.26x = 150,808.80 × 25,659.41
  4. Step 4: Simplify right side
    100,539.26x = 3,869,665,207.83
  5. Step 5: Solve for x
    x = 3,869,665,207.83/100,539.26
  6. Step 6: Final answer
    x = 38,489.10

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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.