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Finding the Fourth Proportional to 73,006.40, 100,744.71 and 41,173.40

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Solution

The fourth proportional to 73,006.40, 100,744.71 and 41,173.40 is: 56,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.40 : 100,744.71 = 41,173.40 : x
  2. Step 2: Convert to fraction form
    73,006.40/100,744.71 = 41,173.40/x
  3. Step 3: Cross multiply
    73,006.40x = 100,744.71 × 41,173.40
  4. Step 4: Simplify right side
    73,006.40x = 4,148,001,738.99
  5. Step 5: Solve for x
    x = 4,148,001,738.99/73,006.40
  6. Step 6: Final answer
    x = 56,816.96

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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.