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Finding the Fourth Proportional to 229,808.82, 344,713.33 and 72,049.57

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Solution

The fourth proportional to 229,808.82, 344,713.33 and 72,049.57 is: 108,074.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,808.82 : 344,713.33 = 72,049.57 : x
  2. Step 2: Convert to fraction form
    229,808.82/344,713.33 = 72,049.57/x
  3. Step 3: Cross multiply
    229,808.82x = 344,713.33 × 72,049.57
  4. Step 4: Simplify right side
    229,808.82x = 24,836,446,839.52
  5. Step 5: Solve for x
    x = 24,836,446,839.52/229,808.82
  6. Step 6: Final answer
    x = 108,074.39

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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.