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Finding the Fourth Proportional to 210,275.69, 315,418.00 and 75,348.56

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Solution

The fourth proportional to 210,275.69, 315,418.00 and 75,348.56 is: 113,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,275.69 : 315,418.00 = 75,348.56 : x
  2. Step 2: Convert to fraction form
    210,275.69/315,418.00 = 75,348.56/x
  3. Step 3: Cross multiply
    210,275.69x = 315,418.00 × 75,348.56
  4. Step 4: Simplify right side
    210,275.69x = 23,766,290,332.62
  5. Step 5: Solve for x
    x = 23,766,290,332.62/210,275.69
  6. Step 6: Final answer
    x = 113,024.43

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