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Finding the Fourth Proportional to 79,914, 119,876.76 and 30,666

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Solution

The fourth proportional to 79,914, 119,876.76 and 30,666 is: 46,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,914 : 119,876.76 = 30,666 : x
  2. Step 2: Convert to fraction form
    79,914/119,876.76 = 30,666/x
  3. Step 3: Cross multiply
    79,914x = 119,876.76 × 30,666
  4. Step 4: Simplify right side
    79,914x = 3,676,140,722.16
  5. Step 5: Solve for x
    x = 3,676,140,722.16/79,914
  6. Step 6: Final answer
    x = 46,001.21

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