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Finding the Fourth Proportional to 51,751.70, 77,627.55 and 51,423.65

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Solution

The fourth proportional to 51,751.70, 77,627.55 and 51,423.65 is: 77,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,751.70 : 77,627.55 = 51,423.65 : x
  2. Step 2: Convert to fraction form
    51,751.70/77,627.55 = 51,423.65/x
  3. Step 3: Cross multiply
    51,751.70x = 77,627.55 × 51,423.65
  4. Step 4: Simplify right side
    51,751.70x = 3,991,891,961.56
  5. Step 5: Solve for x
    x = 3,991,891,961.56/51,751.70
  6. Step 6: Final answer
    x = 77,135.48

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