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Finding the Fourth Proportional to 73,163.12, 100,970.18 and 44,494

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Solution

The fourth proportional to 73,163.12, 100,970.18 and 44,494 is: 61,404.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163.12 : 100,970.18 = 44,494 : x
  2. Step 2: Convert to fraction form
    73,163.12/100,970.18 = 44,494/x
  3. Step 3: Cross multiply
    73,163.12x = 100,970.18 × 44,494
  4. Step 4: Simplify right side
    73,163.12x = 4,492,567,188.92
  5. Step 5: Solve for x
    x = 4,492,567,188.92/73,163.12
  6. Step 6: Final answer
    x = 61,404.81

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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.