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Finding the Fourth Proportional to 118,450.31, 177,745.46 and 43,623.05

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Solution

The fourth proportional to 118,450.31, 177,745.46 and 43,623.05 is: 65,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,450.31 : 177,745.46 = 43,623.05 : x
  2. Step 2: Convert to fraction form
    118,450.31/177,745.46 = 43,623.05/x
  3. Step 3: Cross multiply
    118,450.31x = 177,745.46 × 43,623.05
  4. Step 4: Simplify right side
    118,450.31x = 7,753,797,982.01
  5. Step 5: Solve for x
    x = 7,753,797,982.01/118,450.31
  6. Step 6: Final answer
    x = 65,460.35

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1.5x scale

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.