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Finding the Fourth Proportional to 73,803.30, 110,693.04 and 21,200.82

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Solution

The fourth proportional to 73,803.30, 110,693.04 and 21,200.82 is: 31,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,803.30 : 110,693.04 = 21,200.82 : x
  2. Step 2: Convert to fraction form
    73,803.30/110,693.04 = 21,200.82/x
  3. Step 3: Cross multiply
    73,803.30x = 110,693.04 × 21,200.82
  4. Step 4: Simplify right side
    73,803.30x = 2,346,783,216.29
  5. Step 5: Solve for x
    x = 2,346,783,216.29/73,803.30
  6. Step 6: Final answer
    x = 31,797.81

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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.