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Finding the Fourth Proportional to 66,834.58, 100,251.84 and 16,914.93

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Solution

The fourth proportional to 66,834.58, 100,251.84 and 16,914.93 is: 25,372.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,834.58 : 100,251.84 = 16,914.93 : x
  2. Step 2: Convert to fraction form
    66,834.58/100,251.84 = 16,914.93/x
  3. Step 3: Cross multiply
    66,834.58x = 100,251.84 × 16,914.93
  4. Step 4: Simplify right side
    66,834.58x = 1,695,752,898.26
  5. Step 5: Solve for x
    x = 1,695,752,898.26/66,834.58
  6. Step 6: Final answer
    x = 25,372.39

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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.