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Finding the Fourth Proportional to 118,562.68, 177,914.22 and 43,735.42

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Solution

The fourth proportional to 118,562.68, 177,914.22 and 43,735.42 is: 65,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,562.68 : 177,914.22 = 43,735.42 : x
  2. Step 2: Convert to fraction form
    118,562.68/177,914.22 = 43,735.42/x
  3. Step 3: Cross multiply
    118,562.68x = 177,914.22 × 43,735.42
  4. Step 4: Simplify right side
    118,562.68x = 7,781,153,135.67
  5. Step 5: Solve for x
    x = 7,781,153,135.67/118,562.68
  6. Step 6: Final answer
    x = 65,629.03

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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.