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Finding the Fourth Proportional to 66,758.82, 100,027.62 and 46,940.55

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Solution

The fourth proportional to 66,758.82, 100,027.62 and 46,940.55 is: 70,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,758.82 : 100,027.62 = 46,940.55 : x
  2. Step 2: Convert to fraction form
    66,758.82/100,027.62 = 46,940.55/x
  3. Step 3: Cross multiply
    66,758.82x = 100,027.62 × 46,940.55
  4. Step 4: Simplify right side
    66,758.82x = 4,695,351,497.99
  5. Step 5: Solve for x
    x = 4,695,351,497.99/66,758.82
  6. Step 6: Final answer
    x = 70,333.05

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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.