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Finding the Fourth Proportional to 78,749.16, 108,676.11 and 42,941.49

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Solution

The fourth proportional to 78,749.16, 108,676.11 and 42,941.49 is: 59,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,749.16 : 108,676.11 = 42,941.49 : x
  2. Step 2: Convert to fraction form
    78,749.16/108,676.11 = 42,941.49/x
  3. Step 3: Cross multiply
    78,749.16x = 108,676.11 × 42,941.49
  4. Step 4: Simplify right side
    78,749.16x = 4,666,714,090.80
  5. Step 5: Solve for x
    x = 4,666,714,090.80/78,749.16
  6. Step 6: Final answer
    x = 59,260.49

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