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Finding the Fourth Proportional to 69,074.80, 95,314.70 and 43,571.53

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Solution

The fourth proportional to 69,074.80, 95,314.70 and 43,571.53 is: 60,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,074.80 : 95,314.70 = 43,571.53 : x
  2. Step 2: Convert to fraction form
    69,074.80/95,314.70 = 43,571.53/x
  3. Step 3: Cross multiply
    69,074.80x = 95,314.70 × 43,571.53
  4. Step 4: Simplify right side
    69,074.80x = 4,153,007,550.05
  5. Step 5: Solve for x
    x = 4,153,007,550.05/69,074.80
  6. Step 6: Final answer
    x = 60,123.34

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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.