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Finding the Fourth Proportional to 197,843.60, 273,118.72 and 112,944.24

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Solution

The fourth proportional to 197,843.60, 273,118.72 and 112,944.24 is: 155,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,843.60 : 273,118.72 = 112,944.24 : x
  2. Step 2: Convert to fraction form
    197,843.60/273,118.72 = 112,944.24/x
  3. Step 3: Cross multiply
    197,843.60x = 273,118.72 × 112,944.24
  4. Step 4: Simplify right side
    197,843.60x = 30,847,186,260.17
  5. Step 5: Solve for x
    x = 30,847,186,260.17/197,843.60
  6. Step 6: Final answer
    x = 155,917.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.