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Finding the Fourth Proportional to 178,897.78, 246,881.82 and 102,416.56

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Solution

The fourth proportional to 178,897.78, 246,881.82 and 102,416.56 is: 141,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,897.78 : 246,881.82 = 102,416.56 : x
  2. Step 2: Convert to fraction form
    178,897.78/246,881.82 = 102,416.56/x
  3. Step 3: Cross multiply
    178,897.78x = 246,881.82 × 102,416.56
  4. Step 4: Simplify right side
    178,897.78x = 25,284,786,730.94
  5. Step 5: Solve for x
    x = 25,284,786,730.94/178,897.78
  6. Step 6: Final answer
    x = 141,336.50

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