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Finding the Fourth Proportional to 66,182, 99,273 and 16,934

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Solution

The fourth proportional to 66,182, 99,273 and 16,934 is: 25,401

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,182 : 99,273 = 16,934 : x
  2. Step 2: Convert to fraction form
    66,182/99,273 = 16,934/x
  3. Step 3: Cross multiply
    66,182x = 99,273 × 16,934
  4. Step 4: Simplify right side
    66,182x = 1,681,088,982
  5. Step 5: Solve for x
    x = 1,681,088,982/66,182
  6. Step 6: Final answer
    x = 25,401

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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.