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Finding the Fourth Proportional to 71,805.75, 99,027.42 and 44,950.70

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Solution

The fourth proportional to 71,805.75, 99,027.42 and 44,950.70 is: 61,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,805.75 : 99,027.42 = 44,950.70 : x
  2. Step 2: Convert to fraction form
    71,805.75/99,027.42 = 44,950.70/x
  3. Step 3: Cross multiply
    71,805.75x = 99,027.42 × 44,950.70
  4. Step 4: Simplify right side
    71,805.75x = 4,451,351,848.19
  5. Step 5: Solve for x
    x = 4,451,351,848.19/71,805.75
  6. Step 6: Final answer
    x = 61,991.58

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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.