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Finding the Fourth Proportional to 118,375.87, 177,563.80 and 43,463.60

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Solution

The fourth proportional to 118,375.87, 177,563.80 and 43,463.60 is: 65,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,375.87 : 177,563.80 = 43,463.60 : x
  2. Step 2: Convert to fraction form
    118,375.87/177,563.80 = 43,463.60/x
  3. Step 3: Cross multiply
    118,375.87x = 177,563.80 × 43,463.60
  4. Step 4: Simplify right side
    118,375.87x = 7,717,561,977.68
  5. Step 5: Solve for x
    x = 7,717,561,977.68/118,375.87
  6. Step 6: Final answer
    x = 65,195.40

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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.