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Finding the Fourth Proportional to 179,791.22, 269,616.72 and 67,410.20

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Solution

The fourth proportional to 179,791.22, 269,616.72 and 67,410.20 is: 101,089.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,791.22 : 269,616.72 = 67,410.20 : x
  2. Step 2: Convert to fraction form
    179,791.22/269,616.72 = 67,410.20/x
  3. Step 3: Cross multiply
    179,791.22x = 269,616.72 × 67,410.20
  4. Step 4: Simplify right side
    179,791.22x = 18,174,917,018.54
  5. Step 5: Solve for x
    x = 18,174,917,018.54/179,791.22
  6. Step 6: Final answer
    x = 101,089.01

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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.