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Finding the Fourth Proportional to 320,930.88, 442,898.45 and 177,690.92

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Solution

The fourth proportional to 320,930.88, 442,898.45 and 177,690.92 is: 245,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,930.88 : 442,898.45 = 177,690.92 : x
  2. Step 2: Convert to fraction form
    320,930.88/442,898.45 = 177,690.92/x
  3. Step 3: Cross multiply
    320,930.88x = 442,898.45 × 177,690.92
  4. Step 4: Simplify right side
    320,930.88x = 78,699,034,155.98
  5. Step 5: Solve for x
    x = 78,699,034,155.98/320,930.88
  6. Step 6: Final answer
    x = 245,221.13

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