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Finding the Fourth Proportional to 118,015.54, 177,023.15 and 54,801.09

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Solution

The fourth proportional to 118,015.54, 177,023.15 and 54,801.09 is: 82,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,015.54 : 177,023.15 = 54,801.09 : x
  2. Step 2: Convert to fraction form
    118,015.54/177,023.15 = 54,801.09/x
  3. Step 3: Cross multiply
    118,015.54x = 177,023.15 × 54,801.09
  4. Step 4: Simplify right side
    118,015.54x = 9,701,061,743.79
  5. Step 5: Solve for x
    x = 9,701,061,743.79/118,015.54
  6. Step 6: Final answer
    x = 82,201.56

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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.