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Finding the Fourth Proportional to 339,855.75, 509,750.70 and 103,200.48

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Solution

The fourth proportional to 339,855.75, 509,750.70 and 103,200.48 is: 154,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,855.75 : 509,750.70 = 103,200.48 : x
  2. Step 2: Convert to fraction form
    339,855.75/509,750.70 = 103,200.48/x
  3. Step 3: Cross multiply
    339,855.75x = 509,750.70 × 103,200.48
  4. Step 4: Simplify right side
    339,855.75x = 52,606,516,920.34
  5. Step 5: Solve for x
    x = 52,606,516,920.34/339,855.75
  6. Step 6: Final answer
    x = 154,790.72

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