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Finding the Fourth Proportional to 179,892.75, 248,021.24 and 147,508.05

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Solution

The fourth proportional to 179,892.75, 248,021.24 and 147,508.05 is: 203,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,892.75 : 248,021.24 = 147,508.05 : x
  2. Step 2: Convert to fraction form
    179,892.75/248,021.24 = 147,508.05/x
  3. Step 3: Cross multiply
    179,892.75x = 248,021.24 × 147,508.05
  4. Step 4: Simplify right side
    179,892.75x = 36,585,128,733.44
  5. Step 5: Solve for x
    x = 36,585,128,733.44/179,892.75
  6. Step 6: Final answer
    x = 203,371.89

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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.