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Finding the Fourth Proportional to 89,173.71, 133,753.73 and 32,987.40

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Solution

The fourth proportional to 89,173.71, 133,753.73 and 32,987.40 is: 49,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,173.71 : 133,753.73 = 32,987.40 : x
  2. Step 2: Convert to fraction form
    89,173.71/133,753.73 = 32,987.40/x
  3. Step 3: Cross multiply
    89,173.71x = 133,753.73 × 32,987.40
  4. Step 4: Simplify right side
    89,173.71x = 4,412,188,064.41
  5. Step 5: Solve for x
    x = 4,412,188,064.41/89,173.71
  6. Step 6: Final answer
    x = 49,478.57

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