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Finding the Fourth Proportional to 118,277.01, 177,418.01 and 42,380.49

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Solution

The fourth proportional to 118,277.01, 177,418.01 and 42,380.49 is: 63,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,277.01 : 177,418.01 = 42,380.49 : x
  2. Step 2: Convert to fraction form
    118,277.01/177,418.01 = 42,380.49/x
  3. Step 3: Cross multiply
    118,277.01x = 177,418.01 × 42,380.49
  4. Step 4: Simplify right side
    118,277.01x = 7,519,062,198.62
  5. Step 5: Solve for x
    x = 7,519,062,198.62/118,277.01
  6. Step 6: Final answer
    x = 63,571.63

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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.