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Finding the Fourth Proportional to 73,336.86, 109,987.65 and 33,856.07

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Solution

The fourth proportional to 73,336.86, 109,987.65 and 33,856.07 is: 50,775.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,336.86 : 109,987.65 = 33,856.07 : x
  2. Step 2: Convert to fraction form
    73,336.86/109,987.65 = 33,856.07/x
  3. Step 3: Cross multiply
    73,336.86x = 109,987.65 × 33,856.07
  4. Step 4: Simplify right side
    73,336.86x = 3,723,749,027.60
  5. Step 5: Solve for x
    x = 3,723,749,027.60/73,336.86
  6. Step 6: Final answer
    x = 50,775.95

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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.