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Finding the Fourth Proportional to 147,665.42, 203,709.05 and 87,194.86

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Solution

The fourth proportional to 147,665.42, 203,709.05 and 87,194.86 is: 120,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,665.42 : 203,709.05 = 87,194.86 : x
  2. Step 2: Convert to fraction form
    147,665.42/203,709.05 = 87,194.86/x
  3. Step 3: Cross multiply
    147,665.42x = 203,709.05 × 87,194.86
  4. Step 4: Simplify right side
    147,665.42x = 17,762,382,095.48
  5. Step 5: Solve for x
    x = 17,762,382,095.48/147,665.42
  6. Step 6: Final answer
    x = 120,288.03

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