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Finding the Fourth Proportional to 93,742.30, 129,344.37 and 55,513.86

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Solution

The fourth proportional to 93,742.30, 129,344.37 and 55,513.86 is: 76,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,742.30 : 129,344.37 = 55,513.86 : x
  2. Step 2: Convert to fraction form
    93,742.30/129,344.37 = 55,513.86/x
  3. Step 3: Cross multiply
    93,742.30x = 129,344.37 × 55,513.86
  4. Step 4: Simplify right side
    93,742.30x = 7,180,405,247.97
  5. Step 5: Solve for x
    x = 7,180,405,247.97/93,742.30
  6. Step 6: Final answer
    x = 76,597.28

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