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Finding the Fourth Proportional to 45,964.84, 68,813.34 and 34,170.88

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Solution

The fourth proportional to 45,964.84, 68,813.34 and 34,170.88 is: 51,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,964.84 : 68,813.34 = 34,170.88 : x
  2. Step 2: Convert to fraction form
    45,964.84/68,813.34 = 34,170.88/x
  3. Step 3: Cross multiply
    45,964.84x = 68,813.34 × 34,170.88
  4. Step 4: Simplify right side
    45,964.84x = 2,351,412,383.54
  5. Step 5: Solve for x
    x = 2,351,412,383.54/45,964.84
  6. Step 6: Final answer
    x = 51,156.76

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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.