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Finding the Fourth Proportional to 140,805.44, 211,208.61 and 35,624.41

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Solution

The fourth proportional to 140,805.44, 211,208.61 and 35,624.41 is: 53,436.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,805.44 : 211,208.61 = 35,624.41 : x
  2. Step 2: Convert to fraction form
    140,805.44/211,208.61 = 35,624.41/x
  3. Step 3: Cross multiply
    140,805.44x = 211,208.61 × 35,624.41
  4. Step 4: Simplify right side
    140,805.44x = 7,524,181,723.74
  5. Step 5: Solve for x
    x = 7,524,181,723.74/140,805.44
  6. Step 6: Final answer
    x = 53,436.73

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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.