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Finding the Fourth Proportional to 73,788.57, 110,701.89 and 34,299.45

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Solution

The fourth proportional to 73,788.57, 110,701.89 and 34,299.45 is: 51,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,788.57 : 110,701.89 = 34,299.45 : x
  2. Step 2: Convert to fraction form
    73,788.57/110,701.89 = 34,299.45/x
  3. Step 3: Cross multiply
    73,788.57x = 110,701.89 × 34,299.45
  4. Step 4: Simplify right side
    73,788.57x = 3,797,013,940.96
  5. Step 5: Solve for x
    x = 3,797,013,940.96/73,788.57
  6. Step 6: Final answer
    x = 51,458.02

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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.