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Finding the Fourth Proportional to 67,189.44, 100,562.65 and 37,157.48

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Solution

The fourth proportional to 67,189.44, 100,562.65 and 37,157.48 is: 55,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,189.44 : 100,562.65 = 37,157.48 : x
  2. Step 2: Convert to fraction form
    67,189.44/100,562.65 = 37,157.48/x
  3. Step 3: Cross multiply
    67,189.44x = 100,562.65 × 37,157.48
  4. Step 4: Simplify right side
    67,189.44x = 3,736,653,967.52
  5. Step 5: Solve for x
    x = 3,736,653,967.52/67,189.44
  6. Step 6: Final answer
    x = 55,613.71

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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.