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Finding the Fourth Proportional to 73,344.86, 109,999.68 and 33,864.06

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Solution

The fourth proportional to 73,344.86, 109,999.68 and 33,864.06 is: 50,787.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,344.86 : 109,999.68 = 33,864.06 : x
  2. Step 2: Convert to fraction form
    73,344.86/109,999.68 = 33,864.06/x
  3. Step 3: Cross multiply
    73,344.86x = 109,999.68 × 33,864.06
  4. Step 4: Simplify right side
    73,344.86x = 3,725,035,763.50
  5. Step 5: Solve for x
    x = 3,725,035,763.50/73,344.86
  6. Step 6: Final answer
    x = 50,787.96

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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.