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Finding the Fourth Proportional to 74,321.96, 102,530.81 and 44,108.55

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Solution

The fourth proportional to 74,321.96, 102,530.81 and 44,108.55 is: 60,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,321.96 : 102,530.81 = 44,108.55 : x
  2. Step 2: Convert to fraction form
    74,321.96/102,530.81 = 44,108.55/x
  3. Step 3: Cross multiply
    74,321.96x = 102,530.81 × 44,108.55
  4. Step 4: Simplify right side
    74,321.96x = 4,522,485,469.70
  5. Step 5: Solve for x
    x = 4,522,485,469.70/74,321.96
  6. Step 6: Final answer
    x = 60,849.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.