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Finding the Fourth Proportional to 229,634.88, 343,953.87 and 111,057.57

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Solution

The fourth proportional to 229,634.88, 343,953.87 and 111,057.57 is: 166,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,634.88 : 343,953.87 = 111,057.57 : x
  2. Step 2: Convert to fraction form
    229,634.88/343,953.87 = 111,057.57/x
  3. Step 3: Cross multiply
    229,634.88x = 343,953.87 × 111,057.57
  4. Step 4: Simplify right side
    229,634.88x = 38,198,680,994.30
  5. Step 5: Solve for x
    x = 38,198,680,994.30/229,634.88
  6. Step 6: Final answer
    x = 166,345.29

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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.