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Finding the Fourth Proportional to 173,713.53, 260,694.92 and 73,943.82

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Solution

The fourth proportional to 173,713.53, 260,694.92 and 73,943.82 is: 110,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,713.53 : 260,694.92 = 73,943.82 : x
  2. Step 2: Convert to fraction form
    173,713.53/260,694.92 = 73,943.82/x
  3. Step 3: Cross multiply
    173,713.53x = 260,694.92 × 73,943.82
  4. Step 4: Simplify right side
    173,713.53x = 19,276,777,869.68
  5. Step 5: Solve for x
    x = 19,276,777,869.68/173,713.53
  6. Step 6: Final answer
    x = 110,968.78

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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.