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Finding the Fourth Proportional to 73,182.69, 100,994.40 and 41,353.61

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Solution

The fourth proportional to 73,182.69, 100,994.40 and 41,353.61 is: 57,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,182.69 : 100,994.40 = 41,353.61 : x
  2. Step 2: Convert to fraction form
    73,182.69/100,994.40 = 41,353.61/x
  3. Step 3: Cross multiply
    73,182.69x = 100,994.40 × 41,353.61
  4. Step 4: Simplify right side
    73,182.69x = 4,176,482,524.81
  5. Step 5: Solve for x
    x = 4,176,482,524.81/73,182.69
  6. Step 6: Final answer
    x = 57,069.27

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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.