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Finding the Fourth Proportional to 135,296.40, 202,973.40 and 41,811.60

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Solution

The fourth proportional to 135,296.40, 202,973.40 and 41,811.60 is: 62,726.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,296.40 : 202,973.40 = 41,811.60 : x
  2. Step 2: Convert to fraction form
    135,296.40/202,973.40 = 41,811.60/x
  3. Step 3: Cross multiply
    135,296.40x = 202,973.40 × 41,811.60
  4. Step 4: Simplify right side
    135,296.40x = 8,486,642,611.44
  5. Step 5: Solve for x
    x = 8,486,642,611.44/135,296.40
  6. Step 6: Final answer
    x = 62,726.30

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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.