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Finding the Fourth Proportional to 179,958.32, 270,103.55 and 91,274.10

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Solution

The fourth proportional to 179,958.32, 270,103.55 and 91,274.10 is: 136,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,958.32 : 270,103.55 = 91,274.10 : x
  2. Step 2: Convert to fraction form
    179,958.32/270,103.55 = 91,274.10/x
  3. Step 3: Cross multiply
    179,958.32x = 270,103.55 × 91,274.10
  4. Step 4: Simplify right side
    179,958.32x = 24,653,457,976.68
  5. Step 5: Solve for x
    x = 24,653,457,976.68/179,958.32
  6. Step 6: Final answer
    x = 136,995.38

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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.