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Finding the Fourth Proportional to 73,410.78, 110,132.57 and 23,493.87

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Solution

The fourth proportional to 73,410.78, 110,132.57 and 23,493.87 is: 35,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,410.78 : 110,132.57 = 23,493.87 : x
  2. Step 2: Convert to fraction form
    73,410.78/110,132.57 = 23,493.87/x
  3. Step 3: Cross multiply
    73,410.78x = 110,132.57 × 23,493.87
  4. Step 4: Simplify right side
    73,410.78x = 2,587,440,164.88
  5. Step 5: Solve for x
    x = 2,587,440,164.88/73,410.78
  6. Step 6: Final answer
    x = 35,246.05

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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.