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Finding the Fourth Proportional to 66,834.27, 100,408.17 and 63,051.38

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Solution

The fourth proportional to 66,834.27, 100,408.17 and 63,051.38 is: 94,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,834.27 : 100,408.17 = 63,051.38 : x
  2. Step 2: Convert to fraction form
    66,834.27/100,408.17 = 63,051.38/x
  3. Step 3: Cross multiply
    66,834.27x = 100,408.17 × 63,051.38
  4. Step 4: Simplify right side
    66,834.27x = 6,330,873,179.73
  5. Step 5: Solve for x
    x = 6,330,873,179.73/66,834.27
  6. Step 6: Final answer
    x = 94,724.95

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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.