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Finding the Fourth Proportional to 75,129.92, 103,683.84 and 41,598.08

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Solution

The fourth proportional to 75,129.92, 103,683.84 and 41,598.08 is: 57,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,129.92 : 103,683.84 = 41,598.08 : x
  2. Step 2: Convert to fraction form
    75,129.92/103,683.84 = 41,598.08/x
  3. Step 3: Cross multiply
    75,129.92x = 103,683.84 × 41,598.08
  4. Step 4: Simplify right side
    75,129.92x = 4,313,048,671.03
  5. Step 5: Solve for x
    x = 4,313,048,671.03/75,129.92
  6. Step 6: Final answer
    x = 57,407.87

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