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Finding the Fourth Proportional to 73,935.34, 110,798.17 and 57,217.55

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Solution

The fourth proportional to 73,935.34, 110,798.17 and 57,217.55 is: 85,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,935.34 : 110,798.17 = 57,217.55 : x
  2. Step 2: Convert to fraction form
    73,935.34/110,798.17 = 57,217.55/x
  3. Step 3: Cross multiply
    73,935.34x = 110,798.17 × 57,217.55
  4. Step 4: Simplify right side
    73,935.34x = 6,339,599,134.85
  5. Step 5: Solve for x
    x = 6,339,599,134.85/73,935.34
  6. Step 6: Final answer
    x = 85,745.18

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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.