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Finding the Fourth Proportional to 114,630.56, 171,980.01 and 54,704.03

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Solution

The fourth proportional to 114,630.56, 171,980.01 and 54,704.03 is: 82,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,630.56 : 171,980.01 = 54,704.03 : x
  2. Step 2: Convert to fraction form
    114,630.56/171,980.01 = 54,704.03/x
  3. Step 3: Cross multiply
    114,630.56x = 171,980.01 × 54,704.03
  4. Step 4: Simplify right side
    114,630.56x = 9,407,998,766.54
  5. Step 5: Solve for x
    x = 9,407,998,766.54/114,630.56
  6. Step 6: Final answer
    x = 82,072.35

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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.