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Finding the Fourth Proportional to 168,921.58, 252,877.56 and 102,159.76

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Solution

The fourth proportional to 168,921.58, 252,877.56 and 102,159.76 is: 152,934.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,921.58 : 252,877.56 = 102,159.76 : x
  2. Step 2: Convert to fraction form
    168,921.58/252,877.56 = 102,159.76/x
  3. Step 3: Cross multiply
    168,921.58x = 252,877.56 × 102,159.76
  4. Step 4: Simplify right side
    168,921.58x = 25,833,910,838.99
  5. Step 5: Solve for x
    x = 25,833,910,838.99/168,921.58
  6. Step 6: Final answer
    x = 152,934.34

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