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Finding the Fourth Proportional to 120,773.10, 180,814.05 and 74,117.10

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Solution

The fourth proportional to 120,773.10, 180,814.05 and 74,117.10 is: 110,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,773.10 : 180,814.05 = 74,117.10 : x
  2. Step 2: Convert to fraction form
    120,773.10/180,814.05 = 74,117.10/x
  3. Step 3: Cross multiply
    120,773.10x = 180,814.05 × 74,117.10
  4. Step 4: Simplify right side
    120,773.10x = 13,401,413,025.26
  5. Step 5: Solve for x
    x = 13,401,413,025.26/120,773.10
  6. Step 6: Final answer
    x = 110,963.56

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