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Finding the Fourth Proportional to 80,231.40, 110,723.40 and 44,425.36

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Solution

The fourth proportional to 80,231.40, 110,723.40 and 44,425.36 is: 61,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231.40 : 110,723.40 = 44,425.36 : x
  2. Step 2: Convert to fraction form
    80,231.40/110,723.40 = 44,425.36/x
  3. Step 3: Cross multiply
    80,231.40x = 110,723.40 × 44,425.36
  4. Step 4: Simplify right side
    80,231.40x = 4,918,926,905.42
  5. Step 5: Solve for x
    x = 4,918,926,905.42/80,231.40
  6. Step 6: Final answer
    x = 61,309.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.