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Finding the Fourth Proportional to 122,711.60, 184,067.40 and 101,975.60

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Solution

The fourth proportional to 122,711.60, 184,067.40 and 101,975.60 is: 152,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,711.60 : 184,067.40 = 101,975.60 : x
  2. Step 2: Convert to fraction form
    122,711.60/184,067.40 = 101,975.60/x
  3. Step 3: Cross multiply
    122,711.60x = 184,067.40 × 101,975.60
  4. Step 4: Simplify right side
    122,711.60x = 18,770,383,555.44
  5. Step 5: Solve for x
    x = 18,770,383,555.44/122,711.60
  6. Step 6: Final answer
    x = 152,963.40

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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.