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Finding the Fourth Proportional to 73,640.43, 101,624.22 and 41,809.86

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Solution

The fourth proportional to 73,640.43, 101,624.22 and 41,809.86 is: 57,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,640.43 : 101,624.22 = 41,809.86 : x
  2. Step 2: Convert to fraction form
    73,640.43/101,624.22 = 41,809.86/x
  3. Step 3: Cross multiply
    73,640.43x = 101,624.22 × 41,809.86
  4. Step 4: Simplify right side
    73,640.43x = 4,248,894,410.81
  5. Step 5: Solve for x
    x = 4,248,894,410.81/73,640.43
  6. Step 6: Final answer
    x = 57,697.85

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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.