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Finding the Fourth Proportional to 118,249.63, 177,369.48 and 55,048.03

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Solution

The fourth proportional to 118,249.63, 177,369.48 and 55,048.03 is: 82,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,249.63 : 177,369.48 = 55,048.03 : x
  2. Step 2: Convert to fraction form
    118,249.63/177,369.48 = 55,048.03/x
  3. Step 3: Cross multiply
    118,249.63x = 177,369.48 × 55,048.03
  4. Step 4: Simplify right side
    118,249.63x = 9,763,840,012.70
  5. Step 5: Solve for x
    x = 9,763,840,012.70/118,249.63
  6. Step 6: Final answer
    x = 82,569.73

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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.