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Finding the Fourth Proportional to 68,201.52, 94,120.64 and 37,575.86

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Solution

The fourth proportional to 68,201.52, 94,120.64 and 37,575.86 is: 51,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,201.52 : 94,120.64 = 37,575.86 : x
  2. Step 2: Convert to fraction form
    68,201.52/94,120.64 = 37,575.86/x
  3. Step 3: Cross multiply
    68,201.52x = 94,120.64 × 37,575.86
  4. Step 4: Simplify right side
    68,201.52x = 3,536,663,991.75
  5. Step 5: Solve for x
    x = 3,536,663,991.75/68,201.52
  6. Step 6: Final answer
    x = 51,856.09

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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.