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Finding the Fourth Proportional to 114,786.36, 171,311.53 and 111,797.01

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Solution

The fourth proportional to 114,786.36, 171,311.53 and 111,797.01 is: 166,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,786.36 : 171,311.53 = 111,797.01 : x
  2. Step 2: Convert to fraction form
    114,786.36/171,311.53 = 111,797.01/x
  3. Step 3: Cross multiply
    114,786.36x = 171,311.53 × 111,797.01
  4. Step 4: Simplify right side
    114,786.36x = 19,152,115,975.97
  5. Step 5: Solve for x
    x = 19,152,115,975.97/114,786.36
  6. Step 6: Final answer
    x = 166,850.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.