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Finding the Fourth Proportional to 103,611.20, 155,416.80 and 95,316.80

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Solution

The fourth proportional to 103,611.20, 155,416.80 and 95,316.80 is: 142,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,611.20 : 155,416.80 = 95,316.80 : x
  2. Step 2: Convert to fraction form
    103,611.20/155,416.80 = 95,316.80/x
  3. Step 3: Cross multiply
    103,611.20x = 155,416.80 × 95,316.80
  4. Step 4: Simplify right side
    103,611.20x = 14,813,832,042.24
  5. Step 5: Solve for x
    x = 14,813,832,042.24/103,611.20
  6. Step 6: Final answer
    x = 142,975.20

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