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Finding the Fourth Proportional to 402,814.02, 604,270.26 and 136,650.68

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Solution

The fourth proportional to 402,814.02, 604,270.26 and 136,650.68 is: 204,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,814.02 : 604,270.26 = 136,650.68 : x
  2. Step 2: Convert to fraction form
    402,814.02/604,270.26 = 136,650.68/x
  3. Step 3: Cross multiply
    402,814.02x = 604,270.26 × 136,650.68
  4. Step 4: Simplify right side
    402,814.02x = 82,573,941,932.78
  5. Step 5: Solve for x
    x = 82,573,941,932.78/402,814.02
  6. Step 6: Final answer
    x = 204,992.72

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