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Finding the Fourth Proportional to 192,539.30, 288,803.55 and 87,358.10

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Solution

The fourth proportional to 192,539.30, 288,803.55 and 87,358.10 is: 131,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,539.30 : 288,803.55 = 87,358.10 : x
  2. Step 2: Convert to fraction form
    192,539.30/288,803.55 = 87,358.10/x
  3. Step 3: Cross multiply
    192,539.30x = 288,803.55 × 87,358.10
  4. Step 4: Simplify right side
    192,539.30x = 25,229,329,401.26
  5. Step 5: Solve for x
    x = 25,229,329,401.26/192,539.30
  6. Step 6: Final answer
    x = 131,034.70

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