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Finding the Fourth Proportional to 126,515.72, 174,450.42 and 103,473.80

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Solution

The fourth proportional to 126,515.72, 174,450.42 and 103,473.80 is: 142,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,515.72 : 174,450.42 = 103,473.80 : x
  2. Step 2: Convert to fraction form
    126,515.72/174,450.42 = 103,473.80/x
  3. Step 3: Cross multiply
    126,515.72x = 174,450.42 × 103,473.80
  4. Step 4: Simplify right side
    126,515.72x = 18,051,047,869.00
  5. Step 5: Solve for x
    x = 18,051,047,869.00/126,515.72
  6. Step 6: Final answer
    x = 142,678.30

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