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Finding the Fourth Proportional to 73,188.91, 100,995.05 and 44,504.63

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Solution

The fourth proportional to 73,188.91, 100,995.05 and 44,504.63 is: 61,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,188.91 : 100,995.05 = 44,504.63 : x
  2. Step 2: Convert to fraction form
    73,188.91/100,995.05 = 44,504.63/x
  3. Step 3: Cross multiply
    73,188.91x = 100,995.05 × 44,504.63
  4. Step 4: Simplify right side
    73,188.91x = 4,494,747,695.83
  5. Step 5: Solve for x
    x = 4,494,747,695.83/73,188.91
  6. Step 6: Final answer
    x = 61,412.96

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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.