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Finding the Fourth Proportional to 114,463.72, 171,744.90 and 55,343.80

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Solution

The fourth proportional to 114,463.72, 171,744.90 and 55,343.80 is: 83,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,463.72 : 171,744.90 = 55,343.80 : x
  2. Step 2: Convert to fraction form
    114,463.72/171,744.90 = 55,343.80/x
  3. Step 3: Cross multiply
    114,463.72x = 171,744.90 × 55,343.80
  4. Step 4: Simplify right side
    114,463.72x = 9,505,015,396.62
  5. Step 5: Solve for x
    x = 9,505,015,396.62/114,463.72
  6. Step 6: Final answer
    x = 83,039.55

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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.