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Finding the Fourth Proportional to 71,624.96, 107,289.81 and 41,952.84

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Solution

The fourth proportional to 71,624.96, 107,289.81 and 41,952.84 is: 62,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,624.96 : 107,289.81 = 41,952.84 : x
  2. Step 2: Convert to fraction form
    71,624.96/107,289.81 = 41,952.84/x
  3. Step 3: Cross multiply
    71,624.96x = 107,289.81 × 41,952.84
  4. Step 4: Simplify right side
    71,624.96x = 4,501,112,232.56
  5. Step 5: Solve for x
    x = 4,501,112,232.56/71,624.96
  6. Step 6: Final answer
    x = 62,842.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.