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Finding the Fourth Proportional to 197,797.08, 272,987.82 and 112,919.16

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Solution

The fourth proportional to 197,797.08, 272,987.82 and 112,919.16 is: 155,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,797.08 : 272,987.82 = 112,919.16 : x
  2. Step 2: Convert to fraction form
    197,797.08/272,987.82 = 112,919.16/x
  3. Step 3: Cross multiply
    197,797.08x = 272,987.82 × 112,919.16
  4. Step 4: Simplify right side
    197,797.08x = 30,825,555,324.63
  5. Step 5: Solve for x
    x = 30,825,555,324.63/197,797.08
  6. Step 6: Final answer
    x = 155,844.34

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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.