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Finding the Fourth Proportional to 66,184, 99,276 and 16,936

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Solution

The fourth proportional to 66,184, 99,276 and 16,936 is: 25,404

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,184 : 99,276 = 16,936 : x
  2. Step 2: Convert to fraction form
    66,184/99,276 = 16,936/x
  3. Step 3: Cross multiply
    66,184x = 99,276 × 16,936
  4. Step 4: Simplify right side
    66,184x = 1,681,338,336
  5. Step 5: Solve for x
    x = 1,681,338,336/66,184
  6. Step 6: Final answer
    x = 25,404

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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.