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Finding the Fourth Proportional to 73,861.00, 101,785.97 and 53,685.92

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Solution

The fourth proportional to 73,861.00, 101,785.97 and 53,685.92 is: 73,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,861.00 : 101,785.97 = 53,685.92 : x
  2. Step 2: Convert to fraction form
    73,861.00/101,785.97 = 53,685.92/x
  3. Step 3: Cross multiply
    73,861.00x = 101,785.97 × 53,685.92
  4. Step 4: Simplify right side
    73,861.00x = 5,464,473,529.24
  5. Step 5: Solve for x
    x = 5,464,473,529.24/73,861.00
  6. Step 6: Final answer
    x = 73,983.21

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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.