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Finding the Fourth Proportional to 231,665.14, 346,842.42 and 147,215.98

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Solution

The fourth proportional to 231,665.14, 346,842.42 and 147,215.98 is: 220,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,665.14 : 346,842.42 = 147,215.98 : x
  2. Step 2: Convert to fraction form
    231,665.14/346,842.42 = 147,215.98/x
  3. Step 3: Cross multiply
    231,665.14x = 346,842.42 × 147,215.98
  4. Step 4: Simplify right side
    231,665.14x = 51,060,746,765.87
  5. Step 5: Solve for x
    x = 51,060,746,765.87/231,665.14
  6. Step 6: Final answer
    x = 220,407.55

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