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Finding the Fourth Proportional to 79,430.49, 109,615.01 and 43,619.85

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Solution

The fourth proportional to 79,430.49, 109,615.01 and 43,619.85 is: 60,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,430.49 : 109,615.01 = 43,619.85 : x
  2. Step 2: Convert to fraction form
    79,430.49/109,615.01 = 43,619.85/x
  3. Step 3: Cross multiply
    79,430.49x = 109,615.01 × 43,619.85
  4. Step 4: Simplify right side
    79,430.49x = 4,781,390,075.85
  5. Step 5: Solve for x
    x = 4,781,390,075.85/79,430.49
  6. Step 6: Final answer
    x = 60,195.90

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