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Finding the Fourth Proportional to 73,194.76, 109,837.26 and 28,813.96

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Solution

The fourth proportional to 73,194.76, 109,837.26 and 28,813.96 is: 43,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,194.76 : 109,837.26 = 28,813.96 : x
  2. Step 2: Convert to fraction form
    73,194.76/109,837.26 = 28,813.96/x
  3. Step 3: Cross multiply
    73,194.76x = 109,837.26 × 28,813.96
  4. Step 4: Simplify right side
    73,194.76x = 3,164,846,416.15
  5. Step 5: Solve for x
    x = 3,164,846,416.15/73,194.76
  6. Step 6: Final answer
    x = 43,238.70

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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.