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Finding the Fourth Proportional to 179,992.26, 269,842.32 and 74,889.90

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Solution

The fourth proportional to 179,992.26, 269,842.32 and 74,889.90 is: 112,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,992.26 : 269,842.32 = 74,889.90 : x
  2. Step 2: Convert to fraction form
    179,992.26/269,842.32 = 74,889.90/x
  3. Step 3: Cross multiply
    179,992.26x = 269,842.32 × 74,889.90
  4. Step 4: Simplify right side
    179,992.26x = 20,208,464,360.57
  5. Step 5: Solve for x
    x = 20,208,464,360.57/179,992.26
  6. Step 6: Final answer
    x = 112,274.07

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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.