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Finding the Fourth Proportional to 80,465.40, 120,579.30 and 58,325.40

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Solution

The fourth proportional to 80,465.40, 120,579.30 and 58,325.40 is: 87,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,465.40 : 120,579.30 = 58,325.40 : x
  2. Step 2: Convert to fraction form
    80,465.40/120,579.30 = 58,325.40/x
  3. Step 3: Cross multiply
    80,465.40x = 120,579.30 × 58,325.40
  4. Step 4: Simplify right side
    80,465.40x = 7,032,835,904.22
  5. Step 5: Solve for x
    x = 7,032,835,904.22/80,465.40
  6. Step 6: Final answer
    x = 87,401.99

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