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Finding the Fourth Proportional to 73,157.92, 109,731.43 and 26,410.84

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Solution

The fourth proportional to 73,157.92, 109,731.43 and 26,410.84 is: 39,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,157.92 : 109,731.43 = 26,410.84 : x
  2. Step 2: Convert to fraction form
    73,157.92/109,731.43 = 26,410.84/x
  3. Step 3: Cross multiply
    73,157.92x = 109,731.43 × 26,410.84
  4. Step 4: Simplify right side
    73,157.92x = 2,898,099,240.70
  5. Step 5: Solve for x
    x = 2,898,099,240.70/73,157.92
  6. Step 6: Final answer
    x = 39,614.29

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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.