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Finding the Fourth Proportional to 248,694.85, 343,355.67 and 176,251.39

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Solution

The fourth proportional to 248,694.85, 343,355.67 and 176,251.39 is: 243,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,694.85 : 343,355.67 = 176,251.39 : x
  2. Step 2: Convert to fraction form
    248,694.85/343,355.67 = 176,251.39/x
  3. Step 3: Cross multiply
    248,694.85x = 343,355.67 × 176,251.39
  4. Step 4: Simplify right side
    248,694.85x = 60,516,914,101.88
  5. Step 5: Solve for x
    x = 60,516,914,101.88/248,694.85
  6. Step 6: Final answer
    x = 243,338.03

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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.