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Finding the Fourth Proportional to 69,470.93, 95,868.62 and 39,255.60

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Solution

The fourth proportional to 69,470.93, 95,868.62 and 39,255.60 is: 54,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,470.93 : 95,868.62 = 39,255.60 : x
  2. Step 2: Convert to fraction form
    69,470.93/95,868.62 = 39,255.60/x
  3. Step 3: Cross multiply
    69,470.93x = 95,868.62 × 39,255.60
  4. Step 4: Simplify right side
    69,470.93x = 3,763,379,523.65
  5. Step 5: Solve for x
    x = 3,763,379,523.65/69,470.93
  6. Step 6: Final answer
    x = 54,172.01

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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.