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Finding the Fourth Proportional to 103,191.80, 142,391.99 and 60,742.13

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Solution

The fourth proportional to 103,191.80, 142,391.99 and 60,742.13 is: 83,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,191.80 : 142,391.99 = 60,742.13 : x
  2. Step 2: Convert to fraction form
    103,191.80/142,391.99 = 60,742.13/x
  3. Step 3: Cross multiply
    103,191.80x = 142,391.99 × 60,742.13
  4. Step 4: Simplify right side
    103,191.80x = 8,649,192,207.43
  5. Step 5: Solve for x
    x = 8,649,192,207.43/103,191.80
  6. Step 6: Final answer
    x = 83,816.67

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